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Application security, sometimes referred to as "AppSec," is a collection of security measures applied at the app level to prevent data or code from being misused, stolen, or harmed. It’s a comprehensive approach used to address security issues during application development, design, and deployment—and to prevent security vulnerabilities that may lead to an attack.
Application security often includes a mix of security software and hardware devices to minimize risks and vulnerabilities. Solutions often include application delivery controllers (ADC), integrated web application firewalls (WAF), encrypted routers, and other application delivery tools.
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App security is critical because application-layer attacks—specifically SaaS and web app breaches—are the most common type of attack. Cloud-native applications frequently contain sensitive data and are accessed from multiple devices and networks, making comprehensive app security a vital component of cybersecurity strategies.
These days, applications are available from everywhere. They’re accessed by different networks connected to the internet. This wide availability, although very convenient, also increases your attack surface—and makes apps vulnerable to threats and data breaches. It’s not enough to secure the network. For applications to remain secure, protection must extend to the apps themselves.
See how the right application security and delivery solutions can help you continue business as usual—even when the unexpected happens.
Application security measures can be classified according to their environment. The three primary classifications are:
Cloud app security consists of the solutions, processes, and practices used to protect the sharing and exchange of data in collaborative cloud environments. Because cloud environments usually provide shared resources, it’s important to implement the principle of “least privilege.” That means making sure users access only what they’re authorized for and need to complete their tasks.
Common cloud application security processes include security testing and secure web gateways. It also involves securing the architecture. As more enterprises adopt hybrid and multi-cloud strategies, cloud app security needs to adapt to these environments. Cloud security architecture assesses the environment for application gateways, identity verification systems, and enterprise datacenter deployments.
While cloud app security involves securing the environment, web application security involves securing the applications themselves. Web apps are apps or services that users can access via an internet browser. Securing the applications is important for organizations that provide web services or host applications in the cloud because they must protect them from cybercriminal intrusions.
An example of web app security is the web application firewall. This solution acts as a filter, inspecting incoming data packets and blocking suspicious traffic.
Most applications are used on mobile devices. Because mobile devices transmit and receive information over the public internet, they’re vulnerable to attack. Organizations often use virtual private networks, access control, and other security measures to prevent unauthorized access to data. Encryption is another common method employed to provide an extra layer of security for mobile data.
Securing applications and their environments can be a challenge. Fortunately, applying best practices can improve an organization’s application security posture. A good framework to follow includes four steps:
For developers, application security starts by using secure code and secure development processes. Implementing DevSecOps (development, security, and operations) practices involves baking security controls in early and throughout the software development lifecycle (SDLC). Common procedures include automatically carrying out security testing on every piece of code before delivering it into production.
Developers should also be aware of potential threats and vulnerabilities, such as the ones provided by Open Web Application Security Project in the OWASP Top 10—a regularly-updated list of the most critical application security threats.
It is not enough, however, to identify security flaws during application development. DevOps professionals and IT security teams need to protect the entire application development process against common threat methods including phishing, malware, and SQL injection attacks.
At the enterprise level, several application security tools and automation strategies are available to secure applications. For instance, secure application delivery simplifies the process of applying consistent security policies across multi-cloud environments.
Another solution is to implement a web application firewall. This solution filters incoming traffic to applications to detect potential threats and intrusions. Next-generation web application firewalls employ artificial intelligence (AI) and machine learning (ML) capabilities to monitor app behavior and user interactions. These advanced technologies enable organizations to mitigate both known and unknown attacks. They usually provide recommendations for remediation and help complying with regulatory standards.
Securing access to digital workspaces is vital in enterprise environments. Since cloud applications can be accessed from anywhere and from any device, organizations need to ensure access security that doesn’t disrupt the employees’ experience. Implementing access control policies and a zero trust security approach may help achieve security without compromising the ease of use.
Citrix application security solutions provide a holistic approach to managing and maintaining a consistent security posture, in any environment, including cloud and hybrid.