Cisco Talos Blog

June 28, 2021 11:01

Vulnerability Spotlight: Memory corruption vulnerability in PowerISO’s DMG handler

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a memory corruption vulnerability in PowerISO’s handler that deals with DMG files. PowerISO is a CD/DVD/BD image file processing tool, which allows users to open, extr

June 25, 2021 10:37

Talos Takes Ep. #58: How to approach the partnerships it will take to defend critical infrastructure

By Jon Munshaw. With major cyber attacks in recent years against major U.S. critical infrastructure suppliers like Norsk Hydro and Colonial Pipeline, we’re in a new world of CI cybersecurity. New threats require new approaches to defense. And in the U.S., this is likely going to

June 24, 2021 14:00

Threat Source newsletter (June 24, 2021)

Good afternoon, Talos readers. Even though spam emails asking for gift cards may seem like the oldest trick in the book, they're still effective in 2021. The FBI estimates that business email compromise cost victims around $1.8 billion in 2020, and we've seen recent camp

June 18, 2021 09:00

Talos Takes Ep. #57: A ransomware-as-a-service explainer

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. How much is ransomware-as-a-service like a McDonald’s franchise? More similar than you’d think! The RaaS model has enter

June 17, 2021 14:00

Threat Source newsletter (June 17, 2021)

Good afternoon, Talos readers. Although the Colonial Pipeline attack is largely behind us now, its potential repercussions are not. This was just the latest in a string of attacks against American critical infrastructure over the past few years, and we don't expect them to s

June 16, 2021 15:51

Vulnerability Spotlight: EIP Stack Group OpENer information disclosure vulnerability

Martin Zeiser of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an exploitable information disclosure vulnerability in EIP Stack Group OpENer’s Ethernet/IP UDP handler. OpENer is an Ethernet/IP stack for I/O adapter devices that

June 15, 2021 08:00

What’s past is prologue – A new world of critical infrastructure security

By Caitlin Huey, Joe Marshall and Thomas Pope. Attackers have targeted American critical infrastructure several times over the past few years, putting at risk U.S. electrical grids, oil pipelines and water supply systems. However, we collectively have not responded in a meaningf

June 11, 2021 09:16

Talos Takes Ep. #56: The first security steps you should take when you return to the office

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We started out the COVID-19 pandemic by thinking we'd be away from the office for a month — maybe two. More than 12

June 10, 2021 14:00

Threat Source newsletter (June 10, 2021)

Good afternoon, Talos readers. We seriously can't escape from ransomware. It's in the headlines constantly and has now drawn the full attention of the federal government. But we at Talos recognize that is going to take far more than just words to address this global thre