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Every CyberSIXT summary, newest first, with a link to its story and to the original report.

Most articles on Wed 21 Oct (96); 10–13 on weekend days.

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Fri 16 Oct61
Sat 17 Oct10
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Fri 23 Oct68
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Today, Mon 26 Oct32 so far
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63 articles

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Fri 15 Aug 2025· 63 articles

  1. HTTP/2 MadeYouReset Vulnerability Enables Massive DDoS Attacks

    Security researchers have disclosed a critical vulnerability in the HTTP/2 protocol that could enable massive distributed denial-of-service (DDoS) attacks, potentially affecting millions of web servers worldwide. The flaw, dubbed “MadeYouReset” and assigned…

    gbhackers.comOriginal report
  2. Cisco Secure Firewall Vulnerability Lets Attackers Execute Remote Shell Commands

    Cisco has disclosed a critical security vulnerability in its Secure Firewall Management Center software that could allow unauthenticated attackers to remotely execute shell commands with elevated privileges. The flaw, tracked as CVE-2025-20265, carries a…

    gbhackers.comOriginal report
  3. MailSniper – PowerShell Tool for Exchange Mailbox Search and Credential Discovery

    MailSniper PowerShell tool for Microsoft Exchange. Search mailboxes for passwords, network intel, and harvest usernames in red team operations.

    darknet.org.ukOriginal report
  4. Hackers exploit Microsoft flaw to breach Canada ’s House of Commons

    Hackers breached Canada ’s House of Commons, exploiting a recent Microsoft flaw, compromising data, according to CBC News. Threat actors reportedly breached Canada’s House of Commons by exploiting a recently disclosed Microsoft vulnerability. “The House of…

    Security AffairsOriginal report

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