A personal Year in Review to round out 2023

As youve probably seen by now, Talos released our 2023 Year in Review report last week. Its an extremely comprehensive look at the top threats, attacker trends and malware families from the past year with never-before-seen Cisco Talos telemetry. We have podcasts, long-form videos and even Reddit...

Top resources for Cybersecurity Awareness Month

Welcome to this weeks edition of the Threat Source newsletter. I didnt feel like I wanted to write anything special or witty this week given the current events in Israel and the Gaza Strip, but I will certainly advocate for any assistance readers would like to provide to the various organizations...

CVE-2023-30949

creationtimestamp| type| source ---|---|--- 2023-07-26 22:27:51+00:00| seen| https://t.me/cibsecurity/67308...

Threat Source newsletter (May 11, 2023) — So much for that ransomware decline

Welcome to this weeks edition of the Threat Source newsletter. I wrote a few weeks ago about how, between the public and private sectors, the security community was making some strides in fighting back against ransomware. Reports indicate that revenue for ransomware actors was down in 2022, and...

Threat Source newsletter (May 4, 2023) — Recapping the biggest headlines to come out of RSA

Welcome to this weeks edition of the Threat Source newsletter. I didnt attend the RSA Conference in person, and on top of that, I was at the NFL Draft while the conference was going on. Im behind on the biggest talks, panels and presentations that came out during the annual security conference, s...

CVE-2023-1992

creationtimestamp| type| source ---|---|--- 2023-04-13 00:24:23+00:00| seen| https://t.me/cibsecurity/62015...

CVE-2023-27270

creationtimestamp| type| source ---|---|--- 2023-03-14 12:54:15+00:00| seen| https://t.me/cibsecurity/59956 2025-02-27 15:29:45+00:00| seen| https://t.me/DarkWebInformerCVEAlerts/5697...

Threat Source newsletter (March 2, 2023) — Little victories in the fight against ransomware

Welcome to this weeks edition of the Threat Source newsletter. For years, we as a cybersecurity community have been discussing ways we can fight the global ransomware problem. This included things like pushing for more sanctions against international ransomware groups, new laws from federal...

Threat Source newsletter (Feb. 2, 2023): I bid you all adieu

Welcome to this weeks edition of the Threat Source newsletter. If you havent noticed yet weve had a few guest writers on this newsletter over the last few months. Alas my time covering the newsletter has ended and I leave you with one final edition. Have no fear, William Largent will be rounding...

Threat Source newsletter (June 9, 2022) — Get ready for Cisco Live

By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. Another week, another conference. We’re heading a few miles southeast from San Francisco to Las Vegas for Cisco Live. I hope everyone had a safe, healthy and enjoyable RSA, but the fun isn’t over just... This is only...

Threat Source newsletter (June 2, 2022) — An RSA Conference primer

By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. Many of you readers may be gearing up for a West Coast swing over the next few weeks through San Francisco and Las Vegas for RSA and Cisco Live, respectively. And we’re right behind you! Talos... This is only the...

Threat Source newsletter (May 19, 2022) — Why I'm missing the days of iPods and LimeWire

By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. I will openly admit that I still own a “classic” iPod — the giant brick that weighed down my skinny jeans in high school and did nothing except play music. There are dozens of hours of music on there that I... This is...

Threat Source newsletter (May 5, 2022) — Emotet is using up all of its nine lives

By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. Emotet made headlines last week for being “back” after a major international law enforcement takedown last year. But I’m here to argue that Emotet never left, and honestly, I’m not sure it ever... This is only the...

Threat Source Newsletter (Jan. 27, 2022)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. It's great to have New Year's resolutions and all. But we don't want you taking the wrong lessons away from 2021, either. Like just because Log4j happened doesn't mean you should stop logging or stop using open-source... This is on...

Threat Source Newsletter (Jan. 6, 2022)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. We hope everyone had some well-deserved, relaxing time off over the holidays. Unfortunately, we are all back now and Log4j is still an issue. And even though it seems like Log4j has already been in the news for a year,... This is...

Threat Source Newsletter (Nov. 18, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. This is our last newsletter before Thanksgiving in the U.S. next week, so now's as good of a time as any to remind you: If a deal seems too good to be true, it probably is. To prep online shoppers for the upcoming... This is only t...

Threat Source newsletter (Oct. 21, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. We're writing this on Wednesday for PTO reasons, so apologies if we miss any major news that happens after Wednesday afternoon. Above, you can watch our awesome live stream from Monday with Brad Garnett from... This is only the...

Threat Source newsletter (Sept. 30, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. In the latest example of attackers trying to capitalize on current headlines, we've spotted a group using the recent fervor around the Pegasus spyware to spread malware. We've detailed a campaign in which the... This is only the...

Threat Source newsletter (Sept. 2, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. If you haven't seen already, our blog has a lot of cool and new stuff this week. We first dove into the world of proxyware on Tuesday aka internet-sharing applications. Attackers are hiding in this newly popular... This is only the...

Threat Source newsletter (Aug. 26, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. We have RATs on RATs on RATs over the past few weeks. And last week, we found a few more heading to Latin America to target users and try to steal their login credentials. The threat actor in this case has some compelling... This i...