Security news that informs and inspires
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Lindsey O’Donnell-Welch

Executive Editor

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.

In her previous position at Threatpost, Lindsey covered all aspects of the cybersecurity industry - from data privacy regulatory efforts to the evolution of underground cybercriminal marketplaces. Prior to that, Lindsey specialized in writing about microprocessors, enterprise business technology and the Internet of Things at CRN. In Lindsey’s spare time, she enjoys playing tennis and traveling.


Featured Articles

668 articles by Lindsey O’Donnell-Welch

‘Uncharted Territory:’ Companies Devise AI Security Policies

Businesses have been preparing security policies for generative AI in the workplace, but many executives say that they still don’t fully understand the security implications of AI.


Memory Safe: Dennis Fisher

In a special bonus Memory Safe episode, Dennis Fisher, Decipher’s editor in chief, talks about his decades of experience writing about cybersecurity news, the article he authored that inspired him to get into the industry (hint: it involved phishing) and how the cybersecurity news world has changed over the years.

Memory Safe

Stolen Citrix Credentials Led to Change Ransomware Attack

UnitedHealth Group's CEO revealed that attackers behind the hack gained initial access by leveraging compromised credentials for a Citrix application that didn’t have multi-factor authentication enabled.


DHS Releases AI Security Guidance for Critical Infrastructure

The DHS guidelines outline how critical infrastructure entities can best be secured against the various risks associated with AI.


Decipher Podcast: Source Code 4/26

Welcome back to Source Code, Decipher's weekly news wrap podcast with input from our sources.

Podcast, Source Code