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Author

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

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Blog posts by Jim Walter

  • MedusaLocker Ransomware: Encryption, Costs, and Protection

    MedusaLocker Ransomware: Encryption, Costs, and Protection

  • The Good, the Bad and the Ugly in Cybersecurity - Week 47 (2019)

    The Good, the Bad and the Ugly in Cybersecurity - Week 47 (2019)

  • Build Your Own Ransomware (Project Root) | Behind Enemy Lines Part 2

    Build Your Own Ransomware (Project Root) | Behind Enemy Lines Part 2

  • The Good, the Bad and the Ugly in Cybersecurity - Week 45 (2019)

    The Good, the Bad and the Ugly in Cybersecurity - Week 45 (2019)

  • The Good, the Bad and the Ugly in Cybersecurity - Week 40 (2019)

    The Good, the Bad and the Ugly in Cybersecurity - Week 40 (2019)