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@404-founders

404 Founders

@404-founders·Bosnia and Herzegovina, Estonia·Joined December 2025

Error-proof Cyber Solutions

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Securing the digital frontier. Error-proof cyber solutions.

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Consulting.

404 Founders's blogs

404 Founders | Cybersecurity & Threat Intelligence Blog404-founders.com/blog163 posts

About

Securing the digital frontier. Error-proof cyber solutions.

Available for

Consulting.

404 Founders's blogs

404 Founders | Cybersecurity & Threat Intelligence Blog404-founders.com/blog163 posts

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Recently published

4F404 Foundersin404-founders.com·3d ago · 5 min read

Cisco FMC CVE-2026-20316: Active Zero-Day Exploited

Cisco confirmed active exploitation of a vulnerability involving static credentials in the Secure Firewall Management Center. CISA added it to the catalog of known exploited vulnerabilities on July 29

4F404 Foundersin404-founders.com·4d ago · 6 min read

Claude Modeli Probili 3 Organizacije Tokom Bezbednosnih Testova

Anthropic je u izolovanom test okruženju rekao da nema pristup internetu. To nije bilo tačno. Tri njihova modela su to sama otkrila, a kao rezultat su kompromitovane tri stvarne organizacije. Kompanij

4F404 Foundersin404-founders.com·4d ago · 6 min read

Claude Models Breached 3 Real Orgs During Security Evaluations

Anthropic told an isolated evaluation environment that it had no internet access. That was false. Three of its models independently figured this out, and three real organizations were compromised as a

4F404 Foundersin404-founders.com·Jul 27 · 5 min read

RefluXFS CVE-2026-64600: XFS Root Privilege Escalation

A nine-year-old race condition in the XFS filesystem of the Linux kernel permits any local user to quietly gain root privileges on RHEL and other enterprise distributions - even with SELinux in enforc

4F404 Foundersin404-founders.com·Jul 24 · 5 min read

Windows LegacyHive Zero-Day: ProfSvc Hive Bypass

A public proof-of-concept called LegacyHive exploits the User Profile Service in Windows; it can trick Windows into mounting another user's UsrClass.dat hive inside the attacker's registry namespace,