Threat Source Newsletter (March 25, 2021)
Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. The Cisco Talos Incident Response team has several new, valuable insights into the threat landscape in the latest Quarterly Trends report. This post highlights the malware families our researchers are seeing mos
Quarterly Report: Incident Response trends from Winter 2020-21
For the seventh quarter in a row, Cisco Talos Incident Response (CTIR) observed ransomware dominating the threat landscape. The top variants were Ryuk and Vatet, which is notable given the absence of Ryuk last quarter. We also observed variants of Egregor and WastedLocker continu
Defending Microsoft Exchange from encrypted attacks with Cisco Secure IPS
This blog was authored by Brandon Stultz Microsoft released fixes for several critical vulnerabilities in Exchange Server earlier this month. One of these vulnerabilities (CVE-2021-26855) — aka "ProxyLogon" — is especially dangerous. ProxyLogon is a server-side request
Threat Roundup for March 12 to March 19
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 12 and March 19. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting
Talos Takes Ep. #45: SMS authentication is still around, but that doesn't mean it's a good option
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. While there are many ways to add an extra layer of security to your logins nowadays, SMS is one that should probably be
Registration now open for Talos webinar on Android malware
Major ransomware attacks like those against hospital systems and government agencies are always going to make headlines. But some of the most prolific and widespread threats on the landscape today are more about smaller devices and networks — the ones that fit in your pocket. At
Threat Source newsletter (March 18, 2021)
Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. Start spreading the word now, the Snort scholarship is back for 2021! This year, we’re giving away two $10,000 awards to two college students who are studying cybersecurity or another IT-related field. Applicati
Threat Roundup for March 5 to March 12
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 5 and March 12. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting
Talos Takes Ep. #44: A roundtable discussion on SolarWinds
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. Welcome to the first-ever XL edition of Talos Takes. This one is a little longer than usual, but we promise you it’s wor