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Providing you the latest industry-specific news and insights.

  • article

    RansomHub: An Emerging Ransomware-as-a-Service

    RansomHub has attacked over 75 victims, believed to be a rebrand of Knight ransomware. Exploiting Windows ZeroLogon, they target high-profile entities like Frontier, Christie's, and Change Healthcare. RansomHub aggressively monetizes its attacks.

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    ALPHV/BlackCat Disruption: Operations Resume

    Despite law enforcement’s disruption to ALPHV/BlackCat’s infrastructure in December 2023, the group has since resumed operations.

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    Law Enforcement Actions Leave ALPHV/BlackCat Scrambling to Salvage Operations

    Through a coordinated law enforcement effort spearheaded by the FBI, ALPHV/BlackCat infrastructure was disrupted on December 7, 2023, in an operation publicly announced on December 19, 2023.

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  • article

    What To Do When A Hacker Encrypts Your Data

    What should your first step be when a hacker cracks your system? Evgueni Erchov, Arete's head of security research & strategy shares insight with Risk & Insrance's Autumn Demberger.

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    The Road Back: Recovery from a Malware Attack in the Long Term

    Arete Incident Response is currently answering the call of duty for about 60 companies per month who have experienced malware intrusions.  These are mostly ransomware or business email compromise attacks.  Arete’s primary goal is to restore what was…

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    Surtr Ransomware Pays Tribute to REvil

    Surtr ransomware, a significant 2022 cyber threat, paid tribute to the now defunct REvil (aka Sodinokibi) group through its sophisticated techniques, although the developers of Surtr ransomware likely do not have a direct connection to REvil.

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    Cybersecurity in the Age of Ransomware. It’s More Than Simply Having Insurance.

    In many ways, cybersecurity insurance is not so different from car or home insurance.

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    Fool Us Once … BlackMatter Initial Access Tactics Point to a Possible REvil Association

    Arete observed an overlap between a recent BlackMatter case and a Q1 2021 REvil case.

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  • article

    PYSA: 2020 to Now

    BY ARETE CYBER THREAT INTELLIGENCE TEAM  PYSA is the newest variant of the Mespinoza Ransomware as a Service (RaaS) family, which was first observed infecting victims in the wild in December 2019. PYSA is likely a reference to the open-source web…

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    Endpoint Detection and Response: The Closest Thing to a Silver Bullet to Stop Ransomware

    By Paul Caron   In its recent report “Combating Ransomware,” the Ransomware Task Force says there’s no silver bullet to solving the ransomware challenge. Instead, the group touts a multi-pronged approach and provides an extensive list of…

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    Avaddon Ransomware Hits AXA

    Avaddon ransomware allegedly attacked European insurance provider AXA shortly after the company announced that it will stop paying ransoms for its clients. Our analysis provides an in-depth look at Avaddon’s tactics and recommended mitigations.

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    Colonial Pipeline Breached by Darkside Ransomware Group

    On Saturday May 8, US Colonial Pipeline announced that they were victim of a ransomware attack that affected their network on Friday May 7. US Colonial Pipeline is said to be the largest fuel pipeline in the United States and the main source of…

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