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 describes attacker methods that circumvent specific security controls, such as authentication checks, input validation, or detection systems, without directly exploiting the underlying vulnerability. These techniques often leverage design flaws, misconfigurations, or protocol weaknesses to evade protections like firewalls, multi-factor authentication, or antivirus scanning.
Bypassing controls can enable unauthorized access, data exfiltration, or persistent presence while avoiding alerts, complicating detection and response. Effective defense requires layered security measures, rigorous configuration management, and continuous validation of control effectiveness to identify and close bypass paths before attackers exploit them.
The Payouts King ransomware is using the QEMU emulator as a reverse SSH backdoor to run hidden virtual machines on compromised systems and bypass endpoint security. [...]
Threat actors know how to bypass security systems outside of traditional IT environments. Implementing 2FA could provide a needed extra security barrier in the physical world.
A critical vulnerability in Nginx UI with Model Context Protocol (MCP) support is now being exploited in the wild for full server takeover without authentication. [...]
No reports of active exploitation (yet) Watch out for more Fortinet vulns! Two critical bugs in Fortinet's sandbox could allow unauthenticated attackers to bypass authentication or execute unauthorized code on vulnerable systems.…
Threat actors have been observed weaponizing n8n, a popular artificial intelligence (AI) workflow automation platform, to facilitate sophisticated phishing campaigns and deliver malicious payloads or fingerprint devices by sending automated emails
Critical nginx-ui MCP authentication bypass CVE-2026-33032 actively exploited with CVSS 9.8
A recently disclosed critical security flaw impacting nginx-ui, an open-source, web-based Nginx management tool, has come under active exploitation in the wild