What Are Zero-Day Vulnerabilities? | PlexTrac

What Are Zero-Day Vulnerabilities?

Zero-day vulnerabilities are security issues within applications, operating systems, software, or hardware that are unpatched or unknown to the creator. This type of vulnerability is ideal for threat actors to exploit and launch a zero-day attack as developers have had no time—or “zero days”—to address and resolve the vulnerability.

How to Prevent Zero-Day Vulnerabilities?

As zero-day vulnerabilities are unknown to the victim, they are difficult to prevent. However, organizations can protect their businesses, infrastructure, and customers by implementing several best practices.

Some best practices for zero-day attack prevention include:

• Continuously monitor and assess suspicious activity and anomalies for vulnerabilities.
• Implement least-privilege user access and role-based controls to limit access.
• Maintain regular system updates and patches to keep systems secure.
• Leverage firewalls, penetration tests, vulnerability scans, and other security tools.
• Mandate single-sign on (SSO) and/or multi-factor authentication (MFA) for workspaces.
• Create an incident management and response plan on how to address issues quickly.
• Train employees on current threats and how to respond while also notifying the security team.

Turn Findings Into Measurable Risk Reduction

See how PlexTrac helps security teams prioritize risk and accelerate remediation.

How Does PlexTrac Help Prevent Zero-Day Vulnerabilities?

PlexTrac was built to help organizations aggregate data from all their proactive activities, prioritize internal and external security risks, and support collaboration on remediation. As the #1 AI-powered pentest reporting and vulnerability data management platform, PlexTrac empowers cybersecurity teams to address the most critical threats and vulnerabilities—including zero-days—efficiently.