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Author Bio


Lindsey O'Donnell-Welch

Lindsey O’Donnell-Welch is an award-winning journalist who strives to shed light on how security issues impact not only businesses and defenders on the front line, but also the daily lives of consumers.

lindsey@decipher.sc

Featured Articles


justice department ransomware

US Indicts LockerGoga, MegaCortex, Nefilim Ransomware Admin

The Justice Department has charged a Ukrainian national who is behind ransomware attacks of at least 200 U.S. companies tied to LockerGoga, MegaCortex, and Nefilim. 

By Lindsey O'Donnell-Welch

September 10, 2025 | 3 min read

Ransomware
court hack

Wyden Slams Federal Judiciary After Court Hack

In a scathing letter, Sen. Ron Wyden (D-Ore.) blasted the federal judiciary for its handling of a (second) hack of the federal courts’ case management system earlier this year.

By Lindsey O'Donnell-Welch

September 8, 2025 | 3 min read

Government
china flag

US Gov Links Private Chinese Firms to Salt Typhoon Hacks

Salt Typhoon has not been observed exploiting zero-day flaws, but instead targeting known bugs in exposed network edge devices - some of which are years old.

By Lindsey O'Donnell-Welch

August 27, 2025 | 3 min read

ChinaSalt Typhoon

DoJ Seizes $2.8M Linked to Zeppelin Ransomware

The DoJ raked back $2.8 million in crypto, as well as cash and a stolen vehicle, belonging to an alleged operator of the Zeppelin ransomware.

By Lindsey O'Donnell-Welch

August 18, 2025 | 2 min read

Ransomware
ai

The Emerging Ecosystem Dedicated to AI Accountability

A new ecosystem of security researchers is emerging, looking to sniff out data security and privacy issues in AI systems and grappling with issues like a lack of transparency into and understanding of LLMs.

By Lindsey O'Donnell-Welch

August 11, 2025 | 6 min read

AI
ransomware chart

Challenges Remain in Evaluating Ransomware Crackdowns

While law enforcement disruptions certainly have a positive impact, there are deep-rooted difficulties in measuring substantial long-term changes.

By Lindsey O'Donnell-Welch

August 11, 2025 | 6 min read

law enforcementRansomware
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