threat intelligence

May 1, 2019

SECURITY

“Spark Joy” With New 12.0 Email Security Features & Videos

2 min read

When you see “software update available,” does it spark joy? For many of us, the answer is a resounding “no.” But, don’t be fooled into thinking that our new 12.0...

March 14, 2019

SECURITY

Your money or your life: Digital extortion scams

5 min read

An insidious targeted phishing scam is growing in popularity: scammers leveraging threats against your reputation, your relationships, or even your life. Witness the transition from carrot to stick.

March 4, 2019

SECURITY

Top of Mind for RSA Conference 2019

1 min read

With so many ways to experience RSAC and 5 days to take it in, you may be wondering what is top of mind so that you won’t miss a beat. 

January 14, 2019

SECURITY

SMB and the return of the worm

5 min read

Watch the threat landscape long enough, and you’ll see that some things are cyclical. Threat types and attack methods fall in and out of fashion. As the use of one...

December 11, 2018

SECURITY

Cryptomining: A sheep or a wolf?

7 min read

One of, if not the, most prominent motivators for threat actors is money. Whether it’s botnet owners renting out their services for DDoS attacks, tech support scammers cold-calling people to...

June 6, 2018

THREAT RESEARCH

VPNFilter Update – VPNFilter exploits endpoints, targets new devices

1 min read

Cisco Talos has discovered additional details regarding "VPNFilter," which is targeting more makes/models of devices than initially thought, and has additional capabilities to deliver exploits to endpoints.

May 23, 2018

THREAT RESEARCH

New VPNFilter malware targets at least 500K networking devices worldwide

2 min read

For several months, Talos has been working with public- and private-sector threat intelligence partners and law enforcement in researching an advanced, likely state-sponsored or state-affiliated actor's widespread use.

April 26, 2018

SECURITY

Perspectives on Cryptomining

1 min read

If you keep up with trends in security, you’ve likely heard about illicit cryptomining – software that hijacks system resources to generate cryptocurrencies. We’ve been busy updating our product portfolio...

February 26, 2018

THREAT RESEARCH

Who Wasn’t Responsible for Olympic Destroyer?

1 min read

This blog post is authored by Paul Rascagneres and Martin Lee. Summary Evidence linking the Olympic Destroyer malware to a specific threat actor group is contradictory, and does not allow...