Stay updated on the latest bypass techniques threatening information security. Discover defenses and trends in system vulnerabilities with our insights.
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Background for this topic.
Bypass is a term that describes the process by which normal security mechanisms and procedures are circumvented. In the context of information security, bypassing can occur at various stages and layers of security within systems, networks, and applications.
This can involve exploiting vulnerabilities, leveraging configuration weaknesses, or using social engineering techniques to gain unauthorized access to resources or data. It may also include methods to evade detection by security software or to override physical security systems. Effective bypass techniques can therefore undermine the integrity of a security system, enabling attackers to carry out malicious activities without being discovered.
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Exploiting the PAN-OS GlobalProtect VPN vulnerability requires certain conditions, but adversaries have done so in two attack waves that started in mid-May.
Rapid7: Attackers exploit authentication bypass flaw in the wild, meaning more emergency patching for PAN-OS users
CVE-2026-0257 lets attackers forge Palo Alto GlobalProtect auth cookies and bypass VPN login. Exploitation confirmed since May 17. Palo Alto Networks addressed the vulnerability CVE-2026-0257 on May 13. Two weeks later, cybersecurity firm Rapid7 confirmed active exploitation across multiple customer environments. The flaw impacts the GlobalProtect portal and gateway components of Palo Alto Networks PAN-OS […]
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