Stay secure online with the latest on authentication techniques, best practices, and industry updates at the forefront of information security.
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Background for this topic.
Authentication is the process of verifying the identity of a user or system. In the context of information security, authentication ensures that an entity—whether a person, a computer, or a service—is who or what it claims to be before granting access to sensitive data or systems. This measure is critical in protecting against unauthorized access and potential breaches.
Authentication can occur through various methods, often categorized into something the user knows (like a password), something the user has (like a security token or mobile phone), or something the user is (biometric verification such as fingerprints or facial recognition). For enhanced security, multi-factor authentication (MFA) combines two or more independent credentials: what the user knows, has, and is.
Effective authentication protocols are essential for maintaining the integrity and confidentiality of information systems and are a fundamental component of any robust cybersecurity defense strategy.
Weekly headline count for the current query.
Rapid7: Attackers exploit authentication bypass flaw in the wild, meaning more emergency patching for PAN-OS users
Palo Alto Networks is warning that hackers are now exploiting a PAN-OS GlobalProtect authentication bypass flaw, tracked as CVE-2026-0257, in attacks attempting to breach corporate networks. [...]
Palo Alto Networks has warned that a recently disclosed medium-severity security flaw impacting PAN-OS and Prisma Access has come under active exploitation in the wild
Palo Alto Networks has disclosed that threat actors may have attempted to unsuccessfully exploit a recently disclosed critical security flaw as early as April 9, 2026
Palo Alto Networks warned customers today that a critical-severity unpatched vulnerability in the PAN-OS User-ID Authentication Portal is being exploited in attacks. [...]
Palo Alto Networks has released an advisory warning that a critical buffer overflow vulnerability in its PAN-OS software has been exploited in the wild