SentinelLabs Logo RGB WhitePurp
ABOUT
CVE DATABASE
CONTACT
VISIT SENTINELONE.COM

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.
sentinelone

C3RB3R Ransomware | Ongoing Exploitation of CVE-2023-22518 Targets Unpatched Confluence Servers 

From the Front Lines | 8 minute read
Read More >
sentinelone

Hacktivism in the Israel-Hamas Conflict | Citizen Data Leaked Using Old Malware

From the Front Lines | 9 minute read
Read More >
sentinelone

Oct 2023 Cybercrime Update | Disinformation, DDoS and Scams as Gangs Look to Exploit Turmoil

From the Front Lines | 7 minute read
Read More >
sentinelone

LostTrust Ransomware | Latest Multi-Extortion Threat Shares Traits with SFile and Mindware

From the Front Lines | 12 minute read
Read More >
sentinelone

Sep 2023 Cybercrime Update | New Ransomware Threats and the Rising Menace of Telegram 

From the Front Lines | 6 minute read
Read More >
sentinelone

Threat Actor Interplay | Good Day’s Victim Portals and Their Ties to Cloak

From the Front Lines | 7 minute read
Read More >
sentinelone

From Conti to Akira | Decoding the Latest Linux & ESXi Ransomware Families

From the Front Lines | 10 minute read
Read More >
sentinelone

LOLKEK Unmasked | An In-Depth Analysis of New Samples and Evolving Tactics

From the Front Lines | 9 minute read
Read More >
sentinelone

CatB Ransomware | File Locker Sharpens Its Claws to Steal Data with MSDTC Service DLL Hijacking

From the Front Lines | 7 minute read
Read More >
sentinelone

Recent TZW Campaigns Revealed As Part of GlobeImposter Malware Family

From the Front Lines | 7 minute read
Read More >
Previous
1 2 3 4 5 … 11
Next

SentinelLabs

In the era of interconnectivity, when markets, geographies, and jurisdictions merge in the melting pot of the digital domain, the perils of the threat ecosystem become unparalleled. Crimeware families achieve an unparalleled level of technical sophistication, APT groups are competing in fully-fledged cyber warfare, while once decentralized and scattered threat actors are forming adamant alliances of operating as elite corporate espionage teams.

Recent Posts

  • FreeDrain Unmasked | Uncovering an Industrial-Scale Crypto Theft Network
    FreeDrain Unmasked | Uncovering an Industrial-Scale Crypto Theft Network
    May 8, 2025
  • Top Tier Target | What It Takes to Defend a Cybersecurity Company from Today’s Adversaries
    Top Tier Target | What It Takes to Defend a Cybersecurity Company from Today’s Adversaries
    April 28, 2025
  • AkiraBot | AI-Powered Bot Bypasses CAPTCHAs, Spams Websites At Scale
    AkiraBot | AI-Powered Bot Bypasses CAPTCHAs, Spams Websites At Scale
    April 9, 2025

Sign Up

Get notified when we post new content.

Thanks! Keep an eye out for new content!

  • Twitter
  • LinkedIn
©2025 SentinelOne, All Rights Reserved.