Application security is a way to keep software applications safe from threats. Similar to how we secure our homes against burglars, application security is designed to safeguard computer systems from hackers and malicious software.
However, it’s not solely about repelling harmful threats. Equally important is ensuring that applications perform as expected and not inadvertently leak private information or crash, resulting in lost work. Thus, application security also includes inspecting and testing of applications to confirm their reliability, efficiency, and trustworthiness.
The scope being vast, application security encapsulates many different aspects. This encompasses mobile apps on our smartphones, web applications in our browsers, on-premise applications, and cloud applications operating on remote servers. Furthermore, it incorporates various strategies and tools, ranging from straightforward password protection to complex encryption and testing techniques.
You don’t have to be a computer expert to grasp application security in this comprehensive guide. Security is important to everyone in this increasingly digital age. As such, this article will explain concepts concisely and in a language that’s easy to comprehend.
Application Security involves safeguarding software applications from external threats. It’s not confined to a single protective layer but consists of multiple defensive elements, each designed to thwart various threats. Let’s discuss the primary components: Mobile Application Security, Web Application Security, and Cloud Application Security.
Mobile Application Security protects smartphones and tablets from threats. It includes the apps we download from the App Store or Google Play Store and the data we store on these devices. Security measures are put in place to ensure only authorized users can access the apps, prevent data leaks, and guard against unexpected app behaviors.
Web Application Security focuses on securing websites and web-based apps, which we use daily, ranging from social media to online banking. It guards against threats like cross-site scripting, SQL injection, and session hijacking. By implementing proper security measures, unauthorized access and data breaches can be prevented, keeping our personal data confidential.
Cloud Application Security is becoming increasingly crucial as businesses move their operations to the cloud. It involves protecting data stored in the cloud, controlling access, and preventing service-disrupting attacks. Measures include access control, encryption, intrusion detection, and incident response.
While these are key components, application security is an ever-evolving field. Maintaining the safety and security of applications and data also requires keeping abreast of technology changes and emerging threats.
The proliferation of sensitive data shared and stored online makes application security indispensable. High-profile data breaches are a stark reminder of the need to secure our applications, safeguarding not just our data but our entire online presence. Let’s examine this necessity through the lens of ERP Security and SAP Security.
Enterprise Resource Planning (ERP) systems, handling everything from finance to customer relationship management, are the backbone of many businesses. The sensitivity of the data within ERP systems makes them a prime target for cyber-attacks, making ERP security crucial.
Robust ERP security protects critical business data from unauthorized access and potential breaches. It ensures the right people have access to the right information and maintains the smooth operation of business processes, preventing disruptions due to malicious attacks.
A secure ERP system bolsters a company’s reputation and builds customer trust. It communicates to stakeholders that the company values data security and is committed to protecting its resources.
Systems, Applications & Products (SAP) in Data Processing is a leading provider of business software, with many businesses heavily relying on SAP systems. Therefore, SAP security is a key part of application security.
SAP security involves protecting the access, data, and functionality of SAP systems from unauthorized actions, ranging from data theft to cyberattacks aimed at disrupting operations.
Robust SAP security allows companies to operate with confidence, knowing their systems are protected against threats. A protected SAP framework allows enterprises to uphold regulatory rules, protect their intangible assets, and guarantee continuous business processes.
Understanding and implementing application security isn’t just about avoiding costly data breaches. It’s about maintaining trust, ensuring business continuity, and securing the organization’s future.
Application security utilizes various tools and strategies to safeguard applications and data. The primary methods include Authorization, Authentication, Encryption, Logging, and Testing.
Authorization controls actions within an application through permissions. For instance, an ordinary user might view and edit their profile, but only an admin may have the privilege to delete user accounts. This approach limits access to necessary resources, minimizing the risk if an account is compromised.
Authentication is the process of confirming a user’s identity before granting access. It often involves a username and password, but can also include methods like biometric data, a hardware token, or a one-time password (OTP). By authenticating users, the application remains secure from unauthorized access.
Encryption is a crucial part of application security. It transforms data into an unreadable format, decipherable only by authorized parties using a special key. Through encryption, intercepted data remains confidential and useless to unauthorized users.
Logging records events within the application, including user activity, system behavior, and any errors. With logging, it’s easier to detect and investigate unusual activity, enabling a swift response to security incidents.
Testing is essential in application security. Regular testing uncovers vulnerabilities in the application before attackers find them. Using methods like penetration testing or automated vulnerability scanning, security risks are identified and addressed proactively.
Knowledge of potential threats can help improve application security. Here are some of the most common threats web applications face.
An insecure design leaves a web application open to attacks. If overlooked during the design process, security weaknesses can become embedded in the application, making it an easy target for hackers. This vulnerability can lead to unauthorized access, data breaches, or control seizures by attackers.
Broken access control is another prevalent threat. Improper implementation of access control mechanisms can expose unauthorized functions or data to hackers or internal threats. They can impersonate users, modify content, or steal sensitive information.
Security misconfiguration happens when an application is not correctly set up, leaving it exposed to potential attacks. Misconfigurations occur due to several practices, such as:
Additionally, simple mistakes like maintaining default usernames and passwords, enabling unnecessary features, or neglecting to update and patch systems can pave the way for hackers.
A cross-site request forgery (CSRF) attack enables an intruder to disguise as a legitimate user and attack an application or website. It occurs when a threat actor tricks an authenticated user into executing unauthorized actions. The authenticated user is typically unaware of the attack. The actor can trick them into sending HTTP requests that enable sensitive data to be returned to the actor.
Possible consequences include fraudulent financial transactions, email address changes, or modified firewall settings. If the forgery victim has administrator privileges, the CSRF attack can expose the entire application to critical risk.
CSRF attacks are often described as reverse XSS attacks. However, CSRFs are more difficult to prevent than XSS attacks. CSRF attacks are less common and make it difficult to confirm whether an HTTP request was made intentionally by the user or not.
Threat actors exploit cross-site scripting (XSS) vulnerabilities to forge or steal cookies so they can impersonate legitimate users. It allows actors to use privileged accounts to perform various malicious activities, like altering content or executing remote code.
Actors can launch three XSS attack types: reflected, Document Object Model (DOM)-based, and stored XSS exploits. You can prevent XSS attacks by validating user input, avoiding certain sinks, and escaping special characters and encoding output.
Server-side request forgery (SSRF) vulnerabilities can be found in web applications that do not validate URLs inputted by users before pulling data from remote resources. This issue can affect network access control lists (ACLs) and firewall-protected servers that do not validate URLs.
Incorrect validation and management of user identities can pose serious risks. Attackers can impersonate legitimate users and gain unauthorized access, leading to data theft or manipulation of the application’s functions.
Failure in security logging and monitoring can let attacks go unnoticed, escalating the damage. Without adequate logging, identifying and addressing security incidents promptly becomes a challenge, allowing hackers to continue exploiting vulnerabilities undetected.
SQL injection (SQLi) is a critical application security vulnerability. SQL injection vulnerabilities expose sensitive data to attack while allowing remote access and control of any affected system. This issue is further aggravated when web application hosting and development are outsourced without adequate continuous security testing.
Organizations can mitigate SQL injection threats by conducting penetration testing (pen testing) and using vulnerability scanners and source code analyzers to detect application security threats. Since a single scanner cannot uncover all issues, organizations should utilize multiple scanners.
Moving data storage and operations to the cloud brings its own set of security challenges. Here are the main threats to be aware of in cloud security.
Unauthorized access, a common threat, occurs when hackers infiltrate cloud resources by guessing passwords or exploiting system vulnerabilities. Once inside, they can tamper with data, disrupt services, or launch further attacks.
In account hijacking, attackers impersonate users by stealing their login credentials. This allows them unrestricted access to the user’s cloud resources, leading to potential theft, data manipulation, and infrastructure damage.
External data sharing is another concern. Unregulated data sharing outside your organization can inadvertently expose sensitive information, resulting in data breaches, regulatory compliance issues, and loss of data control.
A simple misconfiguration can leave your cloud resources vulnerable. Mistakes like making data publicly accessible or not using proper encryption can give hackers easy access.
The threat of cyberattacks looms large in the cloud. Malware, DDoS attacks, and other malicious attack vectors can disrupt services or exfiltrate data.
Being aware of these threats equips you to better safeguard your cloud resources and data.
Here are some notable examples of large-scale attacks against software applications.
Discovered in late 2021, the Log4j vulnerability, or Log4Shell, affects the open-source Apache Log4j library, a widely used logging framework. Many products use Log4j globally, allowing malicious actors to exploit the vulnerability before many organizations can patch it.
Attackers can exploit the Log4j vulnerability by submitting malicious requests to vulnerable applications. These requests cause the target systems to execute arbitrary, malicious code, giving the attackers control. Successful Log4j exploits allow attackers to perform various malicious actions, including stealing data and launching ransomware attacks.
ProxyLogon is a set of vulnerabilities affecting Microsoft Exchange servers. Their Common Vulnerabilities and Exposures listings include CVE-2021-27065, CVE-2021-26855, CVE-2021-26857, and CVE-2021-26858. Attackers can exploit a combination of these vulnerabilities (i.e., vulnerability chaining) and execute malicious code on vulnerable Exchange email servers to gain access to files, mailboxes, and credentials, allowing them to persist on the target servers.
All older versions of Zoho ManageEngine ADSelfService Plus (6113 and earlier) contain a vulnerability that allows threat actors to bypass REST API authentication measures to execute code remotely. An error in URL normalization before validation allows actors to bypass authentication using a malicious REST API URL. After bypassing the target system’s authentication filter, attackers can exploit endpoint devices to launch attacks and execute arbitrary commands.
This vulnerability exists in the default configuration of the Zoho product, making it easy to exploit. Zoho software is popular, making this vulnerability an attractive attack vector. Attackers often look for organizations that run vulnerable versions of this software. Despite a patch being available since September 2021, many enterprises continue to use an unpatched version.
VMware vSphere offers virtualized server capabilities for enterprise infrastructure, including the ESXi hypervisor and vCenter infrastructure management tools. The software usually resides in an internal network.
VMware disclosed the CVE-2021-21972 vulnerability in early 2021, which affected the vSphere Client. This highly critical vulnerability allows attackers to execute code remotely using the vCenter Server plugin. It has a severity rating of 9.8. Attackers can exploit this flaw to gain port 443 access to execute malicious commands with unlimited privileges on host operating systems.
The CVE-2021-26084 vulnerability impacts Atlassian Confluence, including the server and data center. It enables unauthenticated users to execute malicious code on vulnerable systems. The vulnerability’s proof of concept was available online a week after its initial disclosure, and it has since become a widely exploited vulnerability. Mass exploit attempts were observed in September 2021.
An application security framework includes state-mandated and global cybersecurity processes and procedures designed to help organizations secure critical applications. These frameworks offer a holistic, detailed approach to protecting sensitive data and provide visibility into validating security controls to help implement risk management.
Application security frameworks aim to improve the security of critical information systems and any associated environment. Organizations use application security framework programs to determine how to enhance application security and comply with security standards and regulations, using the best practices detailed in the security framework.
Here are popular application security frameworks:
Application security controls are specific steps that developers or other personnel take when implementing security standards. Security implementations consist of standards, policies, and controls. Each component serves a different role while working together to create cohesive security. Here is how this hierarchy works:
Several departments and stakeholders are responsible for application controls, but developers usually play a key role.
When assessing vulnerabilities, organizations classify applications by threat level and business purpose. This classification helps tailor controls by application, ensuring organizations can implement standards while minimizing disruption to workflows.
Organizations use allowlists and denylists to execute applications automatically. Automation increases efficiency and plays a key role in maintaining productivity in larger organizations using centrally managed hosts.
Application controls can also help identify resource-intensive applications and organize associated traffic to increase overall network stability. Additionally, you can leverage application controls for threat monitoring. For example, your controls can identify anomalous behavior by comparing traffic to network models.
Internal Controls Audits are essential for organizations to maintain efficient operations and accurate financial reporting. These audits identify potential risks within the organization’s control environment, providing management with useful recommendations for enhancement. Regular internal audits are crucial to manage risks effectively.
SAP Audits play a significant role in the process, focusing on the security of the organization’s information systems. SAP systems contain critical and sensitive data, making them a prime target for attackers. A meticulous SAP Audit is necessary to ensure the security of these systems.
The objective of an SAP Audit is to review the system’s security measures. It evaluates the configuration of access controls, user roles, and authorizations. The audit also assesses the system’s ability to withstand threats like data breaches and cyberattacks.
System changes and updates are another important focus of the SAP Audit. Auditors check that protocols for system modifications are in place and adhered to strictly. This diligence helps prevent the introduction of new vulnerabilities or operational disruptions.
Conducting an SAP Audit results in valuable insights that can help improve system security, strengthen controls, and reduce risks. It is a crucial part of maintaining a secure and reliable SAP environment.
Application Security Testing is a critical procedure for identifying and managing vulnerabilities in software applications. This structured evaluation process finds potential threats and weaknesses that could compromise an application’s functionality, performance, or security. This process enables developers to address these vulnerabilities, making the application sturdy and safe. Doing this safeguards the integrity, confidentiality, and availability of the data managed by the application.
The main steps include three steps:
The process begins with a Design Review. This step entails assessing the application’s design for security vulnerabilities. It covers the evaluation of software architecture, code structure, and third-party components, alongside the application’s data flow and user input handling. This review helps pinpoint weaknesses overlooked during standard operational testing.
After the design review, different testing approaches are employed: White, Black, and Gray box testing. White box testing is a comprehensive examination with full access to the application’s source code, facilitating an in-depth analysis of code paths and data flows. In contrast, Black box testing simulates a potential hacker’s actions without any knowledge of the application’s internal structure. Finally, Gray box testing is a combination of both, where testers have limited knowledge of the system’s internals. These methods provide a thorough analysis of an application’s security.
The final step is Automated Tooling. Automated tools are invaluable in application security testing. They scan code for common security vulnerabilities, including those listed by the OWASP Top 10. These tools excel at finding errors often missed during manual reviews, like input validation errors or misconfigurations. While they can’t fully replace human insight, they enhance the efficiency of the testing process.
Automated Application Security Tools are indispensable for maintaining a robust security posture. These tools help organizations identify, prevent, and mitigate security risks, scanning and testing applications continuously for vulnerabilities. Let’s discuss some of these essential tools.
Often known as “white box testing,” Static Application Security Testing (SAST) scans source code, bytecode, or binary code. It detects coding flaws and security vulnerabilities, identifying them early in the software development lifecycle. This early detection reduces the cost and effort of rectifying issues later.
Dynamic Application Security Testing (DAST), a “black box testing” technique, analyzes running applications for security vulnerabilities. By simulating attacks on an application and inspecting its response, DAST can detect common issues such as cross-site scripting, SQL injection, and security misconfiguration.
Interactive Application Security Testing (IAST) combines elements of both SAST and DAST. By instrumenting the application from the inside while it’s running, IAST can identify vulnerabilities in real time with high accuracy.
Runtime Application Self-protection (RASP) provides real-time protection by detecting and blocking malicious behavior as it occurs. Embedded within the application or its runtime environment, RASP offers robust defense against both known and unknown vulnerabilities.
Mobile Application Security Testing (MAST) focuses on identifying vulnerabilities in mobile apps. By combining static and dynamic testing techniques with behavioral analysis, MAST ensures mobile applications are secure against a wide range of threats.
As the name implies, a Cloud Native Application Protection Platform (CNAPP) is a security solution tailored for cloud-native applications. CNAPP offers continuous visibility and security across the entire application lifecycle, including development, deployment, and runtime, safeguarding against threats traditional tools might miss in a cloud environment.
Software composition analysis (SCA) software helps manage open-source components. Development teams use SCA to efficiently track and analyze all open-source components pulled into a project.
SCA tools identify components, supporting libraries, and the relevant direct and indirect dependencies. Additionally, some SCA tools can detect deprecated dependencies, software licenses, vulnerabilities, and potential exploits. The SCA scanning process creates a bill of materials (BOM) that offers a complete inventory of the project’s software assets.
Penetration testing (pen testing) is a testing method that simulates a cyberattack. It involves using dynamic scanning tools and manual exploitation to breach a target. Ethical hackers conduct pen testing after they are given legal permission to attempt to exploit a target.
During a pentest, ethical hackers try to gain access to a target, compromise users, cause service disruption, or steal data. Compared to SAST and DAST, pen testing is a more advanced technique and can unearth more security weaknesses in the application.
Threat detection and response (TDR) solutions correlate threat indicators to identify threats or analyze the environment and user behavior to identify potentially malicious activities.
TDR solutions use signatures to detect known threats and behavior-based detection to detect unknown emerging threats. Some TDR solutions can detect highly evasive malware, zero-day attacks, and advanced persistent threats (APTs) that often evade traditional defenses.
Organizations typically use antiviruses, firewalls, and anti-malware technology as a first line of defense. Threat detection and response solutions based on the zero trust security model offer a last line of defense to identify and block breaches and remediate and mitigate resulting damage.
SAP Vulnerability and Threat Management solutions are specialized tools that are focused on SAP-specific security issues. While vulnerability management looks at security weaknesses like missing patches and weak code, threat detection concentrates on user activity and behavior to detect deviations and anomalies.
Data Masking Tools are vital for protecting sensitive information within an application’s database. They enhance security by replacing actual data with structurally similar yet non-sensitive data. This strategy allows your application to perform tests or analytics securely without exposing sensitive information. Sharing data with third-party developers or testers becomes safer. Even if a breach occurs, the data masking process leaves intruders with disguised, useless data, ensuring the confidentiality of your actual information.
Insider Threat Solutions tackle data breaches that occur within an organization, either through malicious intent or inadvertent actions by employees. A comprehensive insider threat solution includes several steps:
These are some of the measures that help organizations protect their sensitive data from insider threats.
While there are many different approaches you can take to secure your applications, here’s a list of best practices you can follow:
Once you have a list of what needs protecting, you can begin to figure out what your threats are and how to mitigate them. Consider what paths attackers could use to breach your application and whether you have existing security measures to detect or prevent each type of attack.
It is important to identify what security measures are missing. However, you should also be realistic about how secure you can be. Security measures should provide a good return on investment – you should implement those measures that will provide the best protection considering your budget and other constraints.
Be honest about the tools and processes your team can maintain in the long run. Implementing overly complex security procedures or too many tools can lead to your security practices being ignored in the long term.
Modern DevOps organizations are releasing software on a weekly, daily, or even hourly basis. To keep up with this change, security testing needs to be woven into the development cycle. Stopping the development process at the end for security testing is not feasible in a modern DevOps process. It is also ineffective because security issues discovered at the end of the process are more complex and expensive to fix.
“Shifting security left” means starting security testing from the beginning of the development process. A good first step is to create collaboration between security and development teams, help security understand how development works, and ensure developers understand security concerns. Security teams will need to learn about development tools and processes and suggest tools and procedures that will allow security testing to be naturally integrated.
By adapting security measures to the development process and considering developer productivity, developers are more likely to be receptive to security measures and become active partners in the security process.
A key part of this process is automation. Look for ways to automate security testing in each part of the CI/CD pipeline. By integrating automated security tools into the pipeline, you can perform testing in the “mainline” without handing off code to another team, making it easier for developers to fix issues immediately and reducing the reliance on security experts.
Vulnerabilities have been on the rise for years, and any organization that tests for vulnerabilities will discover large numbers of them, making complete remediation difficult. Given the scale of the task at hand, prioritization is essential to keep applications secure without overwhelming development and operations resources.
Prioritization relies on your initial threat assessment, as well as the objective severity of a vulnerability, typically measured by CVSS rating. Other aspects are how critical the impacted application is to business operations, whether sensitive data is involved, and whether it is subject to compliance requirements.
When it comes to open source vulnerabilities, you need to know whether proprietary code is actually using the vulnerable functionality. If the vulnerable component’s functionality is not receiving calls from your product, then it is not a high risk, even if its CVSS rating is critical. Technology like software composition analysis (SCA) can automatically perform this analysis.
Bringing too many metrics to your executives can confuse them instead of creating visibility. Start by presenting one metric: how your application security program ensures compliance with your internal security policies. From here, you can start sharing other valuable metrics, such as the number of remediations, mean time to recovery, and reduction in security incidents over time.
It is critical to ensure that applications and their users only have access to the software components and data they really need for their daily roles. This can significantly reduce the attack surface, prevent lateral movement and privilege escalation, and combat insider threats.
Ensure you manage privileges carefully and adhere to the principle of least privilege. If you are managing a complex application with hundreds or thousands of users, consider using automated mechanisms to detect privilege issues, automatically revoke unneeded privileges, and check for concerns such as separation of duties (SoD) conflicts.
Attribute-Based Access Control (ABAC) is a security solution that determines access rights based on user attributes, such as role, department, location, time of access, etc. ABAC offers more precise control over access than Role-Based Access Control (RBAC), which only considers a user’s role.
For instance, with ABAC, you could restrict access to certain data to finance department managers only during office hours. Further controls like location of access, device, and IP address can also be implemented with ABAC. This level of control not only boosts security but also improves efficiency in maintaining data access and compliance.
While implementing ABAC requires careful planning and a deep understanding of the organization’s data, user roles, and user attributes, the benefits it brings to application security are substantial.
Moving to SAP S/4HANA, while challenging, offers numerous advantages for businesses eager to adopt advanced ERP capabilities. Let’s delve into the essential steps and the benefits involved.
Launching an SAP S/4HANA migration involves strategic planning and careful execution. Here are the primary stages of the migration process:
Despite the migration process requiring a substantial investment of resources, the advantages of SAP S/4HANA can be transformative. The simplified data model enhances system performance, leading to faster transactions and real-time analytics. It also enables advanced capabilities like predictive analytics, machine learning, and IoT integration, preparing businesses for future challenges.
Furthermore, SAP S/4HANA’s user-friendly interface promotes efficient workflows and enhances user productivity. Its versatility and scalability make it an attractive choice for businesses of all sizes across various sectors.
Pathlock is a global leader in application security and access governance. We offer a range of products and stand-alone modules based on your specific security needs and compliance requirements. Pathlock’s solutions work at the application level in multi-application, hybrid environments to deliver:
Application Access Governance: Manage, control, and govern user access across on-premise and cloud applications with a single interface.
Continuous Controls Monitoring: Quantify financial risk, track changes to transaction and master data, and automate business process controls.
Cybersecurity Application Controls: Protect data with dynamic data masking and enhance application security with vulnerability management and threat detection.
Pathlock also provides customers with one of the largest repositories of security and compliance rulesets for leading ERP applications. These rulesets have been developed using global standards and best practices and can be customized for your unique business needs. Talk to our security experts to learn how you can secure your applications efficiently while saving costs and achieving consistent, cross-application security and compliance.
Contact us today to explore our products or schedule a demo.
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