The Petya ransomware is still spreading globally, and a kill switch has yet to be found. However, researcher Amit Serper may have found a vaccine for uninfected computers. By creating a read-only file in the Windows folder, the virus will exit and not encrypt the computer. This is a preventative measure, not a permanent solution. Those already infected will likely not be able to retrieve their files.

PENTDEM AI Pentesting Daemon Uses 34 Security Tools to Automate WAF Bypass and Attack Chains
PENTDEM is an open-source autonomous AI pentesting daemon that integrates 34 security tools with LLM-directed analysis to automate various tasks, including reconnaissance, vulnerability discovery, evidence

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