February 22, 2019


Malicious Cryptomining is Exploding. Are you at risk?

1 min read

With a 19x increase in crypto related traffic in the last nine months, it's time to find out if computing resources in your organization are being used without your knowledge.

December 11, 2018


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...

August 30, 2018


Rocke: The Champion of Monero Miners

1 min read

Cryptocurrency miners are becoming an increasingly significant part of the threat landscape.

August 10, 2018


Who Wants to Be a Millionaire? Create Your Own Crypto Currency on a Blockchain

4 min read

The programming languages and tools you use to develop in the world of tokens and distributed applications, generally differ from blockchain to blockchain.

April 23, 2018


Cryptomining Campaign Returns Coal and Not Diamond

1 min read

Soon after a launch of a new cryptocurrency, Bitvote, in January, Talos discovered a new mining campaign affecting systems in India, Indonesia, Vietnam and several other countries that was tied...

January 18, 2018


The Many Tentacles of the Necurs Botnet

1 min read

This post was written by Jaeson Schultz. Introduction Over the past five years the Necurs botnet has established itself as the largest purveyor of spam worldwide. Necurs is responsible for emailing massive amounts of banking malware, ransomware, dating spam, pump-n-dump stock scams, work from home schemes, and even cryptocurrency wallet credential phishing. Necurs sends so much […]

December 15, 2017


Cryptojacking: Hijacking your computer resources

3 min read

Your internet connection is slower than usual, your PC is also very slow, and you notice that your CPU fan is running faster when you are on a given website. All the above symptoms indicate that you could be a victim of cryptojacking. This is a new kind of menace in which malicious users or […]

September 14, 2017


Cloud Unfiltered Podcast, Episode 18: Chris Riviere, Cisco

1 min read

Cloud security is the kind of topic that can make you sigh, shake your head, and quickly look for some other, less daunting project to deal with—no doubt about it. I mean honestly—what do you even define as “cloud” in your particular environment, and what constitutes “secure”? Is your only job to worry about your […]