Jim Walter, Author at SentinelOne | Page 3 of 11

ABOUT

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.

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

From the Front Lines | 8 minute read

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

From the Front Lines | 9 minute read

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

From the Front Lines | 7 minute read

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

From the Front Lines | 12 minute read

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

From the Front Lines | 6 minute read

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

From the Front Lines | 7 minute read

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

From the Front Lines | 10 minute read

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

From the Front Lines | 9 minute read

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

From the Front Lines | 7 minute read

Recent TZW Campaigns Revealed As Part of GlobeImposter Malware Family

From the Front Lines | 7 minute read

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

macOS NimDoor | DPRK Threat Actors Target Web3 and Crypto Platforms with Nim-Based Malware
July 2, 2025
Follow the Smoke | China-nexus Threat Actors Hammer At the Doors of Top Tier Targets
June 9, 2025
FreeDrain Unmasked | Uncovering an Industrial-Scale Crypto Theft Network
May 8, 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.