Cisco Talos Blog

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 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 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

June 3, 2021 14:00

Threat Source newsletter (June 3, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. If you didn't catch us live yesterday, we've uploaded the full version of our stream on Discord and Slack malware to our YouTube page. Chris Neal from Talos Outreach walked through his recent research in

May 27, 2021 13:56

Threat Source newsletter (May 27, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We're used to referring to attackers as either APTs or not APTs. And when something is an APT, it sounds a lot scarier and sexier. But it's our belief that that isn't going to cut it anymore. Theref

May 20, 2021 14:00

Threat Source newsletter (May 20, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We know a lot of you may be tired of "content" after RSA week. But we have some more for you! And specifically related to RSA, Cisco Talos Incident Response has new case studies out detailing a few re

May 13, 2021 14:00

Threat Source Newsletter (May 13, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. In case you missed the Friday news drop last week, we have an update on the Lemon Duck cryptocurrency miner. It's not as eye-catching as the ransomware attacks that make the news, but Lemon Duck's exploi

May 6, 2021 14:00

Threat Source Newsletter (May 6, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. COVID-19 has changed everything about our lives — no surprise there. So it also shouldn't be shocking that it's changing the way Americans view Tax Day this year. The deadline to file taxes is about a m

April 29, 2021 14:00

Threat Source Newsletter (April 29, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. Ransomware is not just financial extortion. It is crime that transcends business, academic and geographic boundaries. Talos was proud to assist with a newly released report from the international Ransomware Task