November 30, 2025
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Cyber Intelligence > fortinet
Editorial Team
cybercrime News VPN
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Rise in ‘brute force’ attacks on VPNs

The past four weeks have seen a sharp global increase in ‘brute force’ attacks on virtual private network (VPN) services, which supply private networks using encryption over the internet. ‘Brute force’ attacks use trial and error to crack passwords, login credentials, and encryption keys. New life has been breathed into what is an old hacking technique with widely available software using artificial intelligence (AI) that can carry out large numbers of attempts automatically. 

Cisco Talos Intelligence Group reports a sharp rise worldwide in this type of attack against targets, including virtual private network (VPN) services and web authentication interfaces.

“Cisco Talos has been actively monitoring a global increase in brute-force attacks against a variety of targets, including Virtual Private Network (VPN) services, web application authentication interfaces, and SSH services since at least March 18, 2024. The traffic related to these attacks has increased with time and is likely to continue to rise,” predicts Cisco Talos

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News One Minute Roundup
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US Department of Health and Human Services Falls Victim to Social Engineered Scam – April 11th

The US Department of Health and Human Services (HHS) reported that they fell victim to a social engineering scam over the phone, imitating HHS’ financial department, convincing them to hand over ID verification details.

The threat actors, aside from imitating HHS’ financial department, pulled the attack off by using local area codes and AI voice-changing technology to disguise themselves. The surrendered information could lead to threat actors bypassing multifactor authentication (MFA) security.

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News One Minute Roundup
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Facebook’s “Project Ghostbusters” Discovered to Spy on Snapchat Traffic – March 27th

A federal court in California earlier this week released documents that revealed Facebook’s 2016 “Project Ghostbusters” campaign. The campaign was designed to mine Snapchat user data to understand their behavior better.

The project was a part of Facebook’s In-App Action Panel (IAPP) program, which used techniques to intercept and decrypt encrypted app traffic from Snapchat and, later, from YouTube and Amazon.

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News One Minute Roundup
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Chinese Malware Breaches Dutch Defense Department – February 7th

Specialists from the Netherlands’ Military Intelligence and Security Service (MIVD) and the General Intelligence and Security Service (AIVD) announced a Chinese nation-state-sponsored malware ‘Coathanger’ and its breach on the Dutch Ministry of Defense (MoD).

The stealthy ‘Coathanger’ malware’s code revealed a remote access trojan (RAT) specifically built to infiltrate Fortinet’s FortiGate firewalls through the ‘CVE-2022-42475’ vulnerability, which resulted in stolen user account credentials from the Dutch MoD’s servers. 

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