ThreatsDay Bulletin: Edge Plaintext Passwords, ICS 0-Days, Patch-or-Die Alerts and 25+ New Stories

Bad week. Turns out the easiest way to get hacked in 2026 is still the same old garbage: shady packages, fake apps, forgotten DNS junk, scam ads, and stolen logins getting dumped into Discord channels like it’s normal. Some of these attack chains don’t even feel sophisticated anymore. More like...

China-Linked Hackers Use TernDoor, PeerTime, BruteEntry in South American Telecom Attacks

A China-linked advanced persistent threat APT actor has been targeting critical telecommunications infrastructure in South America since 2024, targeting Windows and Linux systems and edge devices with three different implants. The activity is being tracked by Cisco Talos under the moniker UAT-924...

MuddyWater Launches RustyWater RAT via Spear-Phishing Across Middle East Sectors

The Iranian threat actor known as MuddyWater has been attributed to a spear-phishing campaign targeting diplomatic, maritime, financial, and telecom entities in the Middle East with a Rust-based implant codenamed RustyWater. "The campaign uses icon spoofing and malicious Word documents to deliver...

Watch Out for Salty2FA: New Phishing Kit Targeting US and EU Enterprises

Phishing-as-a-Service PhaaS platforms keep evolving, giving attackers faster and cheaper ways to break into corporate accounts. Now, researchers at ANY.RUN has uncovered a new entrant: Salty2FA , a phishing kit designed to bypass multiple two-factor authentication methods and slip past traditiona...

Scattered Spider’s Strategic Hunt: Is Your Industry Next?

Running short on time but still want to stay in the know? Well, we’ve got you covered! We’ve condensed all the key takeaways into a handy audio summary. Our AI-driven podcasts are fit for on the go. Introduction In April 2025, a single phone call didn’t just ‘help crash’ Marks & Spencer’s...

Mysterious 'Sandman' Threat Actor Targets Telecom Providers Across Three Continents

A previously undocumented threat actor dubbed Sandman has been attributed to a set of cyber attacks targeting telecommunication providers in the Middle East, Western Europe, and the South Asian subcontinent. Notably, the intrusions leverage a just-in-time JIT compiler for the Lua programming...

Chinese Hacking Group Exploits Barracuda Zero-Day to Target Government, Military, and Telecom

A suspected Chinese-nexus hacking group exploited a recently disclosed zero-day flaw in Barracuda Networks Email Security Gateway ESG appliances to breach government, military, defense and aerospace, high-tech industry, and telecom sectors as part of a global espionage campaign. Mandiant, which i...

Surviving the 800 Gbps Storm: Gain Insights from Gcore's 2023 DDoS Attack Statistics

Gcore Radar is a quarterly report prepared by Gcore that provides insights into the current state of the DDoS protection market and cybersecurity trends. This report offers you an understanding of the evolving threat landscape and highlights the measures required to protect against attacks...

RedEnergy Stealer-as-a-Ransomware Threat Targeting Energy and Telecom Sectors

A sophisticated stealer-as-a-ransomware threat dubbed RedEnergy has been spotted in the wild targeting energy utilities, oil, gas, telecom, and machinery sectors in Brazil and the Philippines through their LinkedIn pages. The .NET malware "possesses the ability to steal information from various...

RedEnergy Stealer-as-a-Ransomware Threat Targeting Energy and Telecom Sectors

A sophisticated stealer-as-a-ransomware threat dubbed RedEnergy has been spotted in the wild targeting energy utilities, oil, gas, telecom, and machinery sectors in Brazil and the Philippines through their LinkedIn pages. The .NET malware "possesses the ability to steal information from various...

Raspberry Robin Worm Evolves to Attack Financial and Insurance Sectors in Europe

Financial and insurance sectors in Europe have been targeted by the Raspberry Robin worm, as the malware continues to evolve its post-exploitation capabilities while remaining under the radar. "What is unique about the malware is that it is heavily obfuscated and highly complex to statically...

Chinese "Override Panda" Hackers Resurface With New Espionage Attacks

A Chinese state-sponsored espionage group known as Override Panda has resurfaced in recent weeks with a new phishing attack with the goal of stealing sensitive information. "The Chinese APT used a spear-phishing email to deliver a beacon of a Red Team framework known as 'Viper,'" Cluster25 said i...

China-linked Daxin Malware Targeted Multiple Governments in Espionage Attacks

A previously undocumented espionage tool has been deployed against selected governments and other critical infrastructure targets as part of a long-running espionage campaign orchestrated by China-linked threat actors since at least 2013. Broadcom's Symantec Threat Hunter team characterized the...

LightBasin Hackers Breach at Least 13 Telecom Service Providers Since 2019

A highly sophisticated adversary named LightBasin has been identified as behind a string of attacks targeting the telecom sector with the goal of collecting "highly specific information" from mobile communication infrastructure, such as subscriber information and call metadata. "The nature of the...

DDoS attacks on VoIP and the urgent need for DDoS protection

VoIP companies have recently been the target of a series of ransom Distributed Denial of Service DDoS attacks around the globe with UK-based VoIP providers including VoIP Unlimited, and Quebec-based company VoIP.ms being hit by aggressive and sustained attacks destabilizing their infrastructure a...

AdvisorsBot Downloader Emerges in Raft of Malware Campaigns

A new downloader was disclosed today, sporting significant anti-analysis features and increasingly sophisticated distribution techniques. Researchers at Proofpoint have been tracking the downloader as a first-stage payload in campaigns since May 2018. Dubbed AdvisorsBot due to early...

ThreatList: Telecom Sector Plagued with Advanced Malware

The telecom sector is being plagued with dangerous types of malware that can lead to significant loss of confidential or regulated data, a report has found. Lastline’s findings, published today, found that telecom sector threats are “ahead of the curve,” based on an analysis of threats to the...