Brazil probes emergency warning system after nationwide rogue alert

The Brazilian National Secretariat for Civil Protection and Defense (SEDEC) and Federal Police (PF) are investigating a suspected hack of the country’s emergency alert system after an unauthorized “extreme” alert pinged devices across the country. Defesa Civil Nacional confirmed that Read More …

Hackers are trying to steal Signal users’ backups in new wave of phishing attacks

Hackers are targeting Signal users in an attempt to steal their chat backups as part of a new hacking campaign, TechCrunch has learned. On Wednesday, Washington Post analyst Josh Rogin posted a screenshot of a new kind of attack against Read More …

Hackers have breached tank readers at US gas stations

US officials suspect Iranian hackers are behind a series of breaches of systems that monitor the amount of fuel in storage tanks serving gas stations in multiple states, according to multiple sources briefed on the activity. The hackers responsible have exploited automatic tank Read More …

Inside AD CS Escalation: Unpacking Advanced Misuse Techniques and Tools

Active Directory Certificate Services (AD CS) is a foundational component of Windows enterprise infrastructure, responsible for managing public key infrastructure (PKI) and issuing certificates that enable authentication and encryption across networks. Despite its critical role in the enterprise identity infrastructure, Read More …

Poland says hackers breached water treatment plants, and the US is facing the same threat

Poland’s intelligence service said it detected attacks on five water treatment plants where hackers could have taken control of the industrial equipment inside, including, in the worst case, tampering with the safety of the water supply. The story is relevant Read More …

Police arrest SMS blaster crew that sent malicious messages to thousands across Toronto

Police have arrested and brought 44 charges against three men for allegedly operating an SMS blaster in downtown Toronto. The scheme, which began in November 2025, is the “first known instance” of an SMS blaster operating in Canada, according to Read More …

Muddying the Tracks: The State-Sponsored Shadow Behind Chaos Ransomware

Researchers at Rapid7 say that they have spotted what they believe was an Iranian intelligence cyber unit masquerading as the Chaos ransomware gang to hide a state-sponsored espionage operation. The intrusion was spotted earlier this year, and investigators say breadcrumbs Read More …

Hackers crawled Canadian streets with SMS blasters causing 13 million network disruptions

Authorities in Canada have disclosed details of a mobile cyber operation that relied on SMS blasters mounted inside vehicles moving through urban areas. Three suspects drove around downtown Toronto with these hidden devices running in their cars, impersonating cell towers. Read More …

U.S. DOJ: Prolific Chinese state-sponsored contract hacker extradited from Italy

Xu Zewei (徐泽伟), 34, of the People’s Republic of China was extradited to the United States this weekend and appeared today in U.S. District Court in Houston on a nine-count indictment related to his involvement in computer intrusions between February Read More …