Chinese Threat Actors Exploit ToolShell SharePoint Flaw Weeks After Microsoft's July Patch

Threat actors with ties to China exploited the ToolShell security vulnerability in Microsoft SharePoint to breach a telecommunications company in the Middle East after it was publicly disclosed and patched in July 2025. Also targeted were government departments in an African country, as well as...

FINALDRAFT Malware Exploits Microsoft Graph API for Espionage on Windows and Linux

Threat hunters have shed light on a new campaign targeting the foreign ministry of an unnamed South American nation with bespoke malware capable of granting remote access to infected hosts. The activity, detected in November 2024, has been attributed by Elastic Security Labs to a threat cluster i...

Threat actor believed to be spreading new MedusaLocker variant since 2022

Cisco Talos has discovered a financially motivated threat actor, active since 2022, recently observed delivering a MedusaLocker ransomware variant. Intelligence collected by Talos on tools regularly employed by the threat actor allows us to see an estimate of the amount and countries of origin of...

Chinese Hackers Targeting South American Diplomatic Entities with ShadowPad

Microsoft on Monday attributed a China-based cyber espionage actor to a set of attacks targeting diplomatic entities in South America. The tech giant's Security Intelligence team is tracking the cluster under the emerging moniker DEV-0147 , describing the activity as an "expansion of the group's...

Blind Eagle Hackers resurfaced with a formidable infection chain

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary Blind Eagle is a financially motivated threat group that has been targeting individuals in numerous South American countries since at least 2018. A novel infection chain involving a more complex toolkit w...

Friday Squid Blogging: South American Squid Stocks Threatened by Chinese Fishing

Theres a lot of fishing going on: The number of Chinese-flagged vessels in the south Pacific has surged 13-fold from 54 active vessels in 2009 to 707 in 2020, according to the SPRFMO. Meanwhile, the size of Chinas squid catch has grown from 70,000 tons in 2009 to 358,000. As usual, you can also u...

APT-C-36 Updates Its Spam Campaign Against South American Entities With Commodity RATs

We have continued tracking APT-C-36, also known as Blind Eagle, since our research on this threat actor in 2019. We share new findings of APT-C-36’s ongoing spam campaign targeting South American entities...

Bizarro: a banking Trojan full of nasty tricks

Researchers have discovered a new banking Trojan that has been found targeting customers of European and South American banks. They have dubbed the new Trojan Bizarro. How does Bizarro spread? The Bizarro malware spreads via Microsoft Installer MSI packages. Identified sources so far have been sp...

70 European and South American Banks Under Attack By Bizarro Banking Malware

A financially motivated cybercrime gang has unleashed a previously undocumented banking trojan, which can steal credentials from customers of 70 banks located in various European and South American countries. Dubbed "Bizarro" by Kaspersky researchers, the Windows malware is "using affiliates or...

Imperva Launches New Data Center in Argentina

Imperva’s New Expansion We are happy to announce that Imperva has launched our new Buenos Aires data center. We’re thrilled to bring our leadership in cybersecurity plus enhanced performance and decreased latency to Argentina and the surrounding countries in the region. Our new data center is now...

New Report Beckons 'Cyber Arms Race,' Explains Black Hole Kit

Espionage has gone digital and we’re just now seeing the beginnings of what will prove to be a “cyber arms race,” according to Mikko Hypponen, Chief Research Officer for the F-Secure, the Finnish security firm. Hypponen laid out his thoughts and recapped the last seven months in threats in the...