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Talos Blog

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Latest posts

Last updated 3 days ago

Bidirectional communication via polyrhythms and shuffles: Without Jon the beat must go on

3 days ago

Welcome to this week’s edition of the Threat Source newsletter. Bidirectional communication...

Malicious QR codes

4 days ago

QR codes are disproportionately effective at bypassing most anti-spam filters, as most...

New PXA Stealer targets government and education sectors for sensitive information

10 days ago

Cisco Talos discovered a new information stealing campaign operated by a Vietnamese-speaking...

November Patch Tuesday release contains three critical remote code execution vulnerabilities

12 days ago

The Patch Tuesday for November of 2024 includes 89 vulnerabilities, including four...

Unwrapping the emerging Interlock ransomware attack

17 days ago

Cisco Talos Incident Response (Talos IR) recently observed an attacker conducting big-game...

NVIDIA shader out-of-bounds and eleven LevelOne router vulnerabilities

24 days ago

Cisco Talos' Vulnerability Research team recently discovered five Nvidia out-of-bounds access vulnerabilities...

Threat actors use copyright infringement phishing lure to deploy infostealers

24 days ago

Cisco Talos has observed an unknown threat actor conducting a phishing campaign...

Writing a BugSleep C2 server and detecting its traffic with Snort

25 days ago

In June 2024, security researchers published their analysis of a novel implant...

How LLMs could help defenders write better and faster detection

about 1 month ago

Most users will associate large language models (LLMs) like ChatGPT with answering...

Talos IR trends Q3 2024: Identity-based operations loom large

about 1 month ago

Threat actors are increasingly conducting identity-based attacks across a range of operations...

Threat Spotlight: WarmCookie/BadSpace

about 1 month ago

WarmCookie is a malware family that emerged in April 2024 and has...

Highlighting TA866/Asylum Ambuscade Activity Since 2021

about 1 month ago

TA866 (also known as Asylum Ambuscade) is a threat actor that has...