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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.
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Gotta Catch ‘Em All | Understanding the NetSupport RAT Campaigns Hiding Behind Pokemon Lures

From the Front Lines | 7 minute read
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Venus Ransomware | Zeoticus Spin-off Shows Sophistication Isn’t Necessary for Success

From the Front Lines | 12 minute read
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From the Front Lines | Slam! Anatomy of a Publicly-Available Ransomware Builder

From the Front Lines | 11 minute read
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BlueSky Ransomware | AD Lateral Movement, Evasion and Fast Encryption Put Threat on the Radar

From the Front Lines | 8 minute read
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What Are Initial Access Brokers? – A Comprehensive Guide 101

For CISO/CIO | 8 minute read
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LockBit 3.0 Update Unpicking The Ransomwares Latest Anti Analysis And Evasion Techniques 5
labs
Crimeware

LockBit 3.0 Update | Unpicking the Ransomware’s Latest Anti-Analysis and Evasion Techniques

Jim Walter / July 21, 2022

The self-proclaimed 'oldest ransomware affiliate on the planet' has new tricks and new features and continues to beat enterprise defenses.

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From the Front Lines | 3 New and Emerging Ransomware Threats Striking Businesses in 2022

From the Front Lines | 7 minute read
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The Good, the Bad and the Ugly in Cybersecurity – Week 5

The Good, the Bad and the Ugly | 4 minute read
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The Good, the Bad and the Ugly in Cybersecurity – Week 3

The Good, the Bad and the Ugly | 4 minute read
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BlackCat Ransomware Highly Configurable Rust Driven RaaS On The Prowl For Victims 6
labs
Crimeware

BlackCat Ransomware | Highly-Configurable, Rust-Driven RaaS On The Prowl For Victims

Jim Walter / January 18, 2022

With victims in the US, Australia and India, BlackCat is a new RaaS making a big impact. Learn more about this unique ransomware's behavior and IoCs.

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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

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