How to prevent RCE attacks?

Cyber criminals are continually evolving their methods, finding increasingly sophisticated ways to conduct attacks. Remote Code Execution (RCE) attacks have become increasingly common in recent years, though they have been a persistent threat in the cybersecurity environment for a long time. The rapid growth of interconnected devices has significantly amplified the risks associated with RCE attacks. As our reliance on digital platforms and services grows, so does the potential impact of these attacks, posing serious threats to critical infrastructure and essential services.

Why is preventing Remote Code Execution attacks (RCE) crucial?

Remote Code Execution (RCE) is a serious cybersecurity vulnerability that enables attackers to execute arbitrary code on a target system or server over a network. What makes RCE particularly dangerous is that it does not require the attacker to have prior access to the targeted system, significantly elevating the threat level.

RCE is a specific type of Arbitrary Code Execution (ACE), where an attacker can execute any command of their choice on a target machine or within a target process. What sets RCE apart is its ability to allow this execution remotely, giving attackers the power to fully compromise and control a system from any location.

How do RCE attacks work?

Remote Code Execution (RCE) attacks typically involve a multi-step process that can result in severe data breaches and system compromise.

• Identifying vulnerabilities: Attackers first identify weaknesses in the target’s software, such as unpatched issues.
• Crafting and delivering the exploit: Once a vulnerability is identified, attackers develop an exploit, which is a piece of malicious code designed to exploit the flaw. They then deliver this exploit through various methods, such as phishing emails, social engineering, or direct attacks on exposed systems.
• Executing malicious code: The exploit activates the vulnerability, allowing attackers to inject and run malicious code (payload) on the system, leading to actions such as data theft or system disruption.

Way forward

It’s critical to prioritize measures that prevent Remote Code Execution (RCE) attacks. To assist with this, Security Quotient’s research team has developed a detailed carousel titled ‘How to prevent RCE attacks.’ This resource provides guidance for IT and Security Teams, along with Developers, to strengthen security practices within the organization.