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One year ago, Cisco Talos first disclosed the existence of VPNFilter on May 23, 2018. The malware made headlines across the globe, as it was a sophisticated piece of malware developed by a nation state, infecting half a million devices, and poised to...
This blog was authored by Danny Adamitis, David Maynor, and Kendall McKay Executive summary Cisco Talos assesses with moderate confidence that a campaign we recently discovered called
To protect your data, you must understand the traffic on your network. This task has become even more challenging with widespread use of the Transport Layer Security (TLS) protocol, which inhibits traditional network security monitoring techniq...
Nick Biasini and Edmund Brumaghin authored this blog post with contributions from Andrew Williams. Introduction to JasperLoader Malware loaders are playing an increasingly important role in malware distribution. They give adversar...
In November 2018, Cisco Talos discovered an attack campaign, called DNSpionage, in which threat actors created a new remote administrative tool that supports HTTP and DNS communication with the attackers
How a revolutionary technology was usurped for evil, and what we can do about it Since its inception, email has gone from a novelty, to a necessity, to at times a nuisance, and now, to downright nefarious.
Executive Summary Ransomware attacks have been in the news with increased frequency over the past few years. This type of malware can be extremely disruptive and even cause operational impacts in critical systems that may be infected. LockerGoga is y...
Warren Mercer and Paul Rascagneres authored this post with contributions from Ben Baker. Executive summary Point-of-sale malware is popular among attackers, as it usually leads to them obtaining credit card numbers and immediately use ...
Nick Biasini and Edmund Brumaghin authored this blog post with contributions from Matthew Molyett. Executive Summary Over the past several months, Cisco Talos has been monitoring various malware distribution campaigns leveraging the malware loa...
Cisco Talos recently observed a malware campaign delivering malicious Microsoft PowerPoint document using a mailing list run by the Central Tibetan Administration (CTA), an organization officially representing the Tibetan government-in-exile. The doc...
This blog post was authored by Chris Marczewski Cisco Talos has been tracking a series of Imminent RAT infections for the past two months following reported data from Cisco Advanced Malware Protection
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