Talos

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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'...

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This blog post discusses the technical details of a state-sponsored attack manipulating DNS systems. While this incident is limited to targeting primarily national security organizations in the Middle East and...

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Cisco Talos has uncovered a new Android-based campaign targeting Australian financial institutions. As the investigation progressed, Talos came to understand that this campaign was associated with the "ChristinaMorrow" text message...

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Cybercrime happens in hidden corners of the Internet, but also in social networks: Cisco Talos uncovered 74 criminal groups on Facebook. Fortunately, Cisco has a layered defense against cybercriminals.

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By 2020, Gartner predicts 20 billion connected devices will be online — and more devices mean more security threats. Connected devices have exploded into the public and corporate landscape, rattling...

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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....

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This blog post was authored by John Arneson of Cisco Talos Executive Summary Cisco Talos once again spotted the Ursnif malware in the wild. We tracked this information stealer after...

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Introduction TP-Link recently patched three vulnerabilities in their TL-R600VPN gigabit broadband VPN router, firmware version 1.3.0. Cisco Talos publicly disclosed these issues after working with TP-Link to ensure...

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Microsoft released its monthly security update today, disclosing a variety of vulnerabilities in several of its products. The latest Patch Tuesday covers 49 vulnerabilities, seven of which are rated “critical,”...