Research reports

Vendor, government and researcher reports that CyberSIXT links from its coverage, with their publishers and topics.

1,234 reports388 publishers51 added in the past week

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Added Thu 30 Oct 2025

FBI IC3 · PDF · Added 29 Oct
250912.pdf
The following information is being provided by the FBI, with no guarantees or warranties, for potential use at the sole discretion of recipients to protect against cyber threats. This data is provided in order to help cyber security professionals and system…
Takedowns and arrests Original (new tab)
aha.org · PDF · Added 29 Oct
202406181500_Qilin Threat Profile_TLPCLEAR
Qilin is a ransomware-as-a-service (RaaS) offering in operation since 2022, and which continues to target healthcare organizations and other industries worldwide. The group likely originates from Russia, and was recently observed recruiting affiliates in late…
Ransomware Original (new tab)
CISA · PDF · Added 29 Oct
Defending Against Malicious Cyber Activity Originating from Tor
This advisory—written by the Cybersecurity Security and Infrastructure Security Agency (CISA) with contributions from the Federal Bureau of Investigation (FBI)—highlights risks associated with Tor, along with technical details and recommendations for…
Original (new tab)
SecurityScorecard · PDF · Added 29 Oct
A Deep Dive into Medusa Ransomware
Medusa ransomware appeared in June 2021, and it became more active this year by launching the “Medusa Blog” containing data leaked from victims that didn’t pay the ransom. The malware stops a list of services and processes decrypted at runtime and deletes the…
Ransomware Malware Original (new tab)