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Jim Walter

Jim Walter is a Senior Threat Researcher at SentinelOne focusing on evolving trends, actors, and tactics within the thriving ecosystem of cybercrime and crimeware. He specializes in the discovery and analysis of emerging cybercrime "services" and evolving communication channels leveraged by mid-level criminal organizations. Jim joined SentinelOne following ~4 years at a security start-up, also focused on malware research and organized crime. Previously, he spent over 17 years at McAfee/Intel running their Threat Intelligence and Advanced Threat Research teams.

Jim Walter
  • Hive Attacks | Analysis of the Human-Operated Ransomware Targeting Healthcare

    Hive Attacks | Analysis of the Human-Operated Ransomware Targeting Healthcare

  • Avaddon RaaS | Breaks Public Decryptor, Continues On Rampage

    Avaddon RaaS | Breaks Public Decryptor, Continues On Rampage

  • HelloKitty Ransomware Lacks Stealth, But Still Strikes Home

    HelloKitty Ransomware Lacks Stealth, But Still Strikes Home

  • Zeoticus 2.0 | Ransomware With No C2 Required

    Zeoticus 2.0 | Ransomware With No C2 Required

  • Egregor RaaS Continues the Chaos with Cobalt Strike and Rclone

    Egregor RaaS Continues the Chaos with Cobalt Strike and Rclone

  • Ranzy Ransomware | Better Encryption Among New Features of ThunderX Derivative

    Ranzy Ransomware | Better Encryption Among New Features of ThunderX Derivative

  • The FONIX RaaS | New Low-Key Threat with Unnecessary Complexities

    The FONIX RaaS | New Low-Key Threat with Unnecessary Complexities

  • Threat Intel | Cyber Attacks Leveraging the COVID-19/CoronaVirus Pandemic

    Threat Intel | Cyber Attacks Leveraging the COVID-19/CoronaVirus Pandemic

  • Multi-Platform SMAUG RaaS Aims To See Off Competitors

    Multi-Platform SMAUG RaaS Aims To See Off Competitors

  • Case Study: Catching a Human-Operated Maze Ransomware Attack In Action

    Case Study: Catching a Human-Operated Maze Ransomware Attack In Action

  • Agent Tesla | Old RAT Uses New Tricks to Stay on Top

    Agent Tesla | Old RAT Uses New Tricks to Stay on Top

  • WastedLocker Ransomware: Abusing ADS and NTFS File Attributes

    WastedLocker Ransomware: Abusing ADS and NTFS File Attributes