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Cybersecurity News: Breaches, Ransomware & Zero-Days

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  1. OTX Threat: PHP2Shell Vulnerabilities: CVE-2026-109618 and CVE-2026-109619

    AlienVault OTX · · Critical severity

    Two critical remote code execution vulnerabilities in PHP, collectively named PHP2Shell, were disclosed on October 21, 2026. CVE-2026-109618 involves out-of-memory handling corruption that can interrupt PHP while internal request data...

  2. OTX Threat: INC and The Gentlemen Ransomware: Exposed AI Infrastructure

    AlienVault OTX · · High severity

    Threat researchers discovered an AI-driven intrusion ecosystem operated by affiliates of INC Ransomware and The Gentlemen Ransomware groups through seven exposed command-and-control servers. The operators integrated commercial AI models...

  3. Cisco Patches 34 Vulnerabilities Across Multiple Products

    SecurityWeek · · Medium severity

    Critical-severity security defects could lead to command execution, authentication bypass, and XSS attacks. The post Cisco Patches 34 Vulnerabilities Across Multiple Products appeared first on SecurityWeek .

  4. OTX Threat: Stray Cat, Open Doors: How k0t Wanders Through the Network Edge

    AlienVault OTX · · Medium severity

    Group-IB and NyxLab uncovered a large-scale campaign by threat actor k0t exploiting FortiGate, FortiWeb, and Palo Alto GlobalProtect edge devices to harvest credentials and establish persistent access. The operation involves exploiting...

  5. OTX Threat: The Science of Exploitability: Decoding BlueHammer

    AlienVault OTX · · Medium severity

    BlueHammer (CVE-2026-33825) is an eight-stage local privilege-escalation chain targeting Windows Defender Antimalware Platform before version 4.18.26030.3011. It requires initial code execution as a standard user and chains CloudFilter...

  6. Russian hackers teamed up to wipe data at Ukrainian grain firm

    The Record by Recorded Future · · Medium severity

    The Russian state-linked hacking group Sandworm collaborated with another threat actor to carry out a destructive cyberattack against a Ukrainian grain logistics company last year, researchers said Thursday.

  7. Signal flaw could expose audio and video even after users hang up

    Help Net Security · · Medium severity

    A flaw in Signal’s calling library could let the other person on a call keep receiving a user’s audio, and possibly video, after that user hangs up. Tracked as CVE-2026-113380, the vulnerability affects RingRTC versions before 2.72.0....

  8. Authorities disrupt nearly 11,000 cybercrime networks in Africa

    BleepingComputer · · High severity

    Law enforcement agencies have disrupted nearly 11,000 cybercriminal networks and arrested more than 1,400 people in Operation Serengeti III, which targeted business email compromise, ransomware, and online scams.

  9. Africa cybercrime crackdown nets 1,462 arrests and over $105 million

    Help Net Security · · High severity

    Police in 21 countries arrested 1,462 suspects and took down 10,909 malicious networks in Operation Serengeti III, an INTERPOL-coordinated cybercrime sweep across Africa that ran from June 29 to August 31, 2026. Investigators recovered...

  10. OTX Threat: Inside a Global AI-Assisted Hacking Campaign

    AlienVault OTX · · Medium severity

    In October 2026, a Chinese-speaking threat actor conducted widespread AI-assisted cyberattacks combining the ARTEX penetration testing framework with multiple AI coding assistants including Claude Code, Codex, and Grok. The attacks,...

  11. OTX Threat: LiteLLM supply chain compromise

    AlienVault OTX · · High severity

    On October 21, 2026, attackers compromised litellm version 1.107.0, a popular Python proxy library for LLM providers with approximately 23 million weekly downloads. The malicious release was available on PyPI and official Docker images...

  12. South Korea raises cybersecurity alert over critical PHP security flaw

    Latest InfoTech News, IT, Information Technology News | The HinduBusinessLine · · Medium severity

    The move signals heightened concern over potential cyberattacks as authorities step up measures to address the vulnerability, Yonhap News Agency reported.

  13. What is a Brute Force Attack? | UpGuard

    UpGuard Blog · · Medium severity

    Brute force attacks are a common and costly form of cyberattack that can be prevented. Learn about brute force attacks and how to prevent them in this post

  14. MongoDB vs MySQL | UpGuard

    UpGuard Blog · · Medium severity

    The MySQL vs MongoDB argument is in many ways a relational vs. Each one excels in certain scenarios and is ill-suited for others.

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