An ongoing data extortion attack targeting the widely-used education technology platform Canvas disrupted classes and coursework at school districts and universities across the United States today, after a cybercrime group defaced the service's login page with a ransom demand that threatened to leak data from 275 million students and faculty across nearly 9,000 educational institutions.
A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service (DDoS) attacks has been enabling a botnet responsible for an extended campaign of massive DDoS attacks against other network operators in Brazil, KrebsOnSecurity has learned. The firm's chief executive says the malicious activity resulted from a security breach and was likely the work of a competitor trying to tarnish his company's public image.
A 24-year-old British national and senior member of the cybercrime group "Scattered Spider" has pleaded guilty to wire fraud conspiracy and aggravated identity theft. Tyler Robert Buchanan admitted his role in a series of text-message phishing attacks in the summer of 2022 that allowed the group to hack into at least a dozen major technology companies and steal tens of millions of dollars worth of cryptocurrency from investors.
Microsoft today pushed software updates to fix a staggering 167 security vulnerabilities in its Windows operating systems and related software, including a SharePoint Server zero-day and a publicly disclosed weakness in Windows Defender dubbed "BlueHammer." Separately, Google Chrome fixed its fourth zero-day of 2026, and an emergency update for Adobe Reader nixes an actively exploited flaw that can lead to remote code execution.
Hackers linked to Russia's military intelligence units are using known flaws in older Internet routers to mass harvest authentication tokens from Microsoft Office users, security experts warned today. The spying campaign allowed state-backed Russian hackers to quietly siphon authentication tokens from users on more than 18,000 networks without deploying any malicious software or code.
NVIDIA has confirmed in a statement for BleepingComputer that GeForce NOW user information has been exposed in a data breach. [...]
Attackers move faster than overwhelmed SOC teams can realistically investigate alerts. Prophet Security breaks down how AI can help analysts investigate alerts faster and focus on real threats. [...]
The attack on the Trellix source code repository disclosed last week has been claimed by the RansomHouse threat group, which leaked a small set of images as proof of the intrusion. [...]
CISA has given U.S. federal agencies four days to secure their networks against a high-severity vulnerability in Ivanti Endpoint Manager Mobile (EPMM) exploited in zero-day attacks. [...]
Hackers who gained access to the databases of Spanish fast-fashion retailer Zara stole data belonging to more than 197,000 customers, according to data breach notification service Have I Been Pwned. [...]
Threat hunters have flagged a previously undocumented Brazilian banking trojan dubbed TCLBANKER that's capable of targeting 59 banking, fintech, and cryptocurrency platforms. The activity is being tracked by Elastic Security Labs under the moniker REF3076. The malware family is assessed to be a major update of the Maverick, which is known to leverage a worm called SORVEPOTEL to spread via
Cybersecurity researchers have discovered fraudulent apps on the official Google Play Store for Android that falsely claimed to offer access to call histories for any phone number, only to trick users into joining a subscription that provided fake data and incurred financial loss. The 28 apps have collectively racked up more than 7.3 million downloads, with one of them alone accounting for over
The hardest part of cybersecurity isn't the technology, it’s the people. Every major breach you’ve read about lately usually starts the same way: one employee, one clever email, and one "Patient Zero" infection. In 2026, hackers are using AI to make these "first clicks" nearly impossible to spot. If a single laptop gets compromised on your watch, do you have a plan to stop it from taking down
A previously undocumented Linux implant codenamed Quasar Linux RAT (QLNX) is targeting developers' systems to establish a silent foothold as well as facilitate a broad range of post-compromise functionality, such as credential harvesting, keylogging, file manipulation, clipboard monitoring, and network tunneling. "QLNX targets developers and DevOps credentials across the software supply chain,"
The dark secret of enterprise security operations is that defenders have quietly institutionalized the practice of not looking. This is not just anecdotal, but rather backed by a recent report investigating more than 25 million security alerts, including informational and low-severity, across live enterprise environments. The dataset behind these findings includes 10 million monitored