Why Canadian Telecom Providers Are Prime Targets for Cyberattacks

Canadian telecom providers face mounting cyber threats from ransomware, SIM swapping, data breaches, and nation-state attacks targeting critical infrastructure...

Nation-State Hackers Deploy New Airstalk Malware in Suspected Supply Chain Attack

A suspected nation-state threat actor has been linked to the distribution of a new malware called Airstalk as part of a likely supply chain attack. Palo Alto Networks Unit 42 said it's tracking the cluster under the moniker CL-STA-1009 , where "CL" stands for cluster and "STA" refers to...

The 5 generative AI security threats you need to know about detailed in new e-book

Generative AI is reshaping the way security teams operate—accelerating threat detection, automating workflows, and enabling scale. But as defenders embrace AI to strengthen their posture, cyberattackers are doing the same to evolve faster than traditional defenses can adapt. Microsoft’s 2025...

Year-Long Nation-State Hack Hits US Telecom Ribbon Communications

Ribbon Communications discloses a year-long breach by nation-state actors. The attack highlights critical supply chain risk, reflecting the Salt Typhoon and F5 espionage trends...

Salt Typhoon APT Group: What Public Sector Leaders and Defenders Should Know

The Rapid7 Threat Focus: Salt Typhoon report profiles one of the most sophisticated and persistent state-sponsored threat actors operating today. Salt Typhoon, a Chinese espionage advanced persistent threat APT group linked to the Ministry of State Security MSS, has spent years infiltrating globa...

Serious F5 Breach

This is bad: F5, a Seattle-based maker of networking software, disclosed the breach on Wednesday. F5 said a "sophisticated" threat group working for an undisclosed nation-state government had surreptitiously and persistently dwelled in its network over a "long-term." Security researchers who have...

The CISO imperative: Building resilience in an era of accelerated cyberthreats

The latest Microsoft Digital Defense Report 2025 paints a vivid picture of a cyberthreat landscape in flux. The surge in financially motivated cyberattacks and the persistent risk of nation-state actors demand urgent attention. But for those of us in the Office of the Chief Information Security...

Inside the F5 Breach: What We Know and Recommended Actions

On October 15, 2025, F5 Networks disclosed a breach attributed to a sophisticated nation-state actor. In an SEC 8-K form also filed that same day, F5 confirmed unauthorized access to its internal development and knowledge-management systems dating back to August 9, 2025. Some source-code and...

Extortion and ransomware drive over half of cyberattacks

In 80% of the cyber incidents Microsoft’s security teams investigated last year, attackers sought to steal data—a trend driven more by financial gain than intelligence gathering. According to the latest Microsoft Digital Defense Report, written with our Chief Information Security Officer Igor...

F5 Confirms Nation-State Breach, Source Code and Vulnerability Data Stolen

F5 has confirmed it was the victim of a state-sponsored cyberattack that allowed hackers to access its internal…...

F5 Breach Exposes BIG-IP Source Code — Nation-State Hackers Behind Massive Intrusion

U.S. cybersecurity company F5 on Wednesday disclosed that unidentified threat actors broke into its systems and stole files containing some of BIG-IP's source code and information related to undisclosed vulnerabilities in the product. It attributed the activity to a "highly sophisticated...

US Disrupts Massive Cell Phone Array in New York

This is a weird story: The US Secret Service disrupted a network of telecommunications devices that could have shut down cellular systems as leaders gather for the United Nations General Assembly in New York City. The agency said on Tuesday that last month it found more than 300 SIM servers and...

JJ Cummings: The art of controlling information

Welcome to the second episode of Humans of Talos, our ongoing video interview series that celebrates the people powering Cisco's threat intelligence efforts. In each episode, we dive deep into the personal journeys, motivations and lessons learned from the team members who help keep the internet...

Iran-Linked BladedFeline Hits Iraqi and Kurdish Targets with Whisper and Spearal Malware

An Iran-aligned hacking group has been attributed to a new set of cyber attacks targeting Kurdish and Iraqi government officials in early 2024. The activity is tied to a threat group ESET tracks as BladedFeline , which is assessed with medium confidence to be a sub-cluster within OilRig, a known...

ConnectWise Hit by Cyberattack; Nation-State Actor Suspected in Targeted Breach

ConnectWise, the developer of remote access and support software ScreenConnect, has disclosed that it was the victim of a cyber attack that it said was likely perpetrated by a nation-state threat actor. "ConnectWise recently learned of suspicious activity within our environment that we believe wa...

⚡ Weekly Recap: Nation-State Hacks, Spyware Alerts, Deepfake Malware, Supply Chain Backdoors

What if attackers aren't breaking in—they're already inside, watching, and adapting? This week showed a sharp rise in stealth tactics built for long-term access and silent control. AI is being used to shape opinions. Malware is hiding inside software we trust. And old threats are returning under...

11 Nation-State Hackers Exploit Unpatched Windows Flaw Since 2017

Microsoft refuses to patch serious Windows shortcut vulnerability abused in global espionage campaigns!...

⚡ THN Weekly Recap: Router Hacks, PyPI Attacks, New Ransomware Decryptor, and More

From sophisticated nation-state campaigns to stealthy malware lurking in unexpected places, this week's cybersecurity landscape is a reminder that attackers are always evolving. Advanced threat groups are exploiting outdated hardware, abusing legitimate tools for financial fraud, and finding new...

Google: Over 57 Nation-State Threat Groups Using AI for Cyber Operations

Over 57 distinct threat actors with ties to China, Iran, North Korea, and Russia have been observed using artificial intelligence AI technology powered by Google to further enable their malicious cyber and information operations. "Threat actors are experimenting with Gemini to enable their...

Blurring the Lines: How Nation-States and Organized Cybercriminals Are Becoming Alike

Blurring the Lines: How Nation-States and Organized Cybercriminals Are Becoming Alike By Tomer Shloman · January 7, 2025 The distinction between nation-state actors and organized cybercriminals is becoming increasingly blurred in our rapidly evolving cyber landscape. Historically, these groups ha...