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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


goanywhere flaw

Threat Actors Target Unpatched Cisco AsyncOS Zero-Day

Threat actors are exploiting an unpatched zero-day vulnerability in Cisco AsyncOS software.

By Lindsey O'Donnell-Welch

December 17, 2025 | 2 min read

ai

Russian Hackers Target Misconfigured Edge Devices in ‘Concerning Evolution’ For Critical Infrastructure Attacks

Amazon researchers highlighted a "tactical pivot" by Russian GRU hackers who have been moving away from zero-day and N-day exploitation.

By Lindsey O'Donnell-Welch

December 16, 2025 | 2 min read

Edge DevicesRussiaSandworm

Government, Private Sector Officials Mull Telecom Security Woes

A year after Salt Typhoon's telecom hack, private and public sector officials discussed next steps.

By Lindsey O'Donnell-Welch

December 4, 2025 | 4 min read

telecom
Fiber optic cables

DoJ Sanctions Bulletproof Hosting Provider Used By Ransomware Groups

The provider, Media Land LLC, has been used by ransomware actors like Lockbit, BlackSuit, and Play, and its infrastructure has been leveraged across several distributed denial-of-service (DDoS) attacks against US companies and critical infrastructure.

By Lindsey O'Donnell-Welch

November 25, 2025 | 2 min read

Bulletproof hosting providers
financial impact

Marks and Spencer’s Profit Drop: The Financial Toll of Cyberattacks

The financial impacts of cyberattacks are hard to measure - but they lend critical context to conversations around security risk at the boardroom level.

By Lindsey O'Donnell-Welch

November 14, 2025 | 4 min read

RansomwareSecurity Risk
lighthouse phishing kit

Google Wants to Snuff Out ‘Lighthouse’ Phishing Kit

Google is taking legal action "designed to dismantle the core infrastructure" of the Lighthouse phishing-as-a-service operation.

By Lindsey O'Donnell-Welch

November 12, 2025 | 2 min read

GooglePhishing
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