Apr 26, 2026 · #38

Episode 38 — 26 Apr 2026 1. ADT confirms data breach after ShinyHunters leak threat Source: Bleeping Computer Home security giant ADT has confirmed a data breach after the ShinyHunters extortion group threatened to leak stolen data unless a ransom is paid. In a statement shared today, the company said it detected unauthorized access to customer and prospective customer data on April... 2. Firestarter malware survives Cisco firewall updates, security patches Source: Bleeping Computer Cybersecurity agencies in the U.S. and U.K. are warning about a custom malware called Firestarter persisting on Cisco Firepower and Secure Firewall devices running Adaptive Security Appliance (ASA) or Firepower Threat Defense (FTD) software. The backdoor has been attributed... 3. New BlackFile extortion group linked to surge of vishing attacks Source: Bleeping Computer A new financially motivated hacking group tracked as BlackFile has been linked to a wave of data theft and extortion attacks against retail and hospitality organizations since February 2026. The group, also tracked as CL-CRI-1116, UNC6671 , and Cordial Spider , is... 4. Over 10,000 Zimbra servers vulnerable to ongoing XSS attacks Source: Bleeping Computer Over 10,000 Zimbra Collaboration Suite (ZCS) instances exposed online are vulnerable to ongoing attacks exploiting a cross-site scripting (XSS) security flaw, according to nonprofit security organization Shadowserver. Zimbra is a popular email and collaboration software suite... 5. FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches Source: The Hacker News The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an unnamed federal civilian agency's Cisco Firepower device running Adaptive Security Appliance (ASA) software was compromised in September 2025 with a new malware called FIRESTARTER.... 6. CISA Adds 4 Exploited Flaws to KEV, Sets May 2026 Federal Deadline Source: The Hacker News The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added four vulnerabilities impacting SimpleHelp, Samsung MagicINFO 9 Server, and D-Link DIR-823X series routers to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active... 7. Tropic Trooper Uses Trojanized SumatraPDF and GitHub to Deploy AdaptixC2 Source: The Hacker News Chinese-speaking individuals are the target of a new campaign that uses a trojanized version of SumatraPDF reader to deploy the AdaptixC2 Beacon post-exploitation agent and ultimately facilitate the abuse of Microsoft Visual Studio Code (VS Code) tunnels for remote access.... 8. Threat actor uses Microsoft Teams to deploy new “Snow” malware Source: Bleeping Computer A threat group tracked as UNC6692 uses social engineering to deploy a new, custom malware suite named “Snow,” which includes a browser extension, a tunneler, and a backdoor. Their goal is to steal sensitive data after deep network compromise through credential theft and...