Security news that informs and inspires
headshot of Dave Lewis with teal overlay

Dave Lewis

Advisory CISO — Global

Dave Lewis has over two decades of industry experience, including in IT security operations and management. He is the founder of the security site Liquidmatrix Security Digest and co-host of the Liquidmatrix podcast. Lewis serves on the advisory boards for Cortex Insight and Dateva Inc.

4 articles by Dave Lewis

Security Education: Running With Scissors

The lessons we learned as children can be applied to security education and training.

Rsac, Security Training

A Traveler’s Guide to OPSEC

Traveling can be a lot of fun, but it can also present myriad challenges when it comes to keeping your information and devices secure. A few simple steps and a little advance planning can go a long way to increasing your operational security.

OPSEC, Rsac2019

Dude, Where’s My Car With My Lunch?

"If it bleeds, it leads..." We have a perverse fascination with autonomous vehicles, especially when they fail, and even more so when there is a fatality.

CISO

Security Debt and the Keys to the Kingdom

Security debt is the accumulation of the patches missed, the risks accepted, and the configurations misapplied. Many enterprise security problems arise when the bill comes due.

CISO, Security