Despite the takedown of the Trickbot botnet by Microsoft and others Monday, the malware is still functioning, and its operators retain the tools needed to rebuild their malicious network, some cybsersecurity experts say. So the impact, while significant, could prove to be temporary.
Ransomware attacks remain the top cyber-enabled threat seen by law enforcement. But phishing, business email compromises and other types of fraud - many now using a COVID-19 theme - also loom large, Europol warns in its latest Internet Organized Crime Threat Assessment.
Microsoft collaborated with cybersecurity companies and government agencies to take down the million-device Trickbot botnet in an effort to help protect the Nov. 3 U.S. election and stop the global spread of ransomware and other malware.
A hacking group is taking aim at industrial targets in an ongoing cyberespionage campaign, security firm Kaspersky reports. The group, dubbed "MontysThree," uses a variety of techniques, including steganography, to avoid detection.
Ransomware has emerged as the No. 1 online threat targeting public and private organizations this year. Seeking maximum returns, more gangs have moved beyond opportunistic attacks to target organizations with "post-intrusion ransomware." Meanwhile, many victims fail to report such crimes to police.
Security researchers with the Chinese company Qihoo say they've spotted a new IoT botnet that brute forces telnet ports on routers and other devices and is coded with a command to erase infected devices.
A Chinese-speaking hacking group used a rare Unified Extensible Firmware Interface bootkit dubbed "MosaicRegressor" to target nongovernment organizations and diplomatic missions with an espionage campaign for two years, the security firm Kaspersky reports.
A new malware variant dubbed Black-T developed by the hacker group TeamTnT targets exposed Docker daemon APIs to perform scanning and cryptojacking operations, according to researchers at Palo Alto Networks' Unit 42.
A fresh round of Joker malware that targets Android users has been found in Google Play as well as third-party app stores, according to reports from Zscaler and Zimperium. The Joker apps can steal SMS messages, contact lists and device information from infected smartphones.
Microsoft and the Cybersecurity and Infrastructure Security Agency have issued warnings that a critical vulnerability in Windows Server dubbed "Zerologon" is being actively exploited in the wild. They urge users to immediately apply an available partial patch.
With so many cybercrime markets continuing to disappear, why haven't encrypted messaging apps stepped in to fill the gap? They might seem to be the perfect solution to admins stealing buyers' and sellers' cryptocurrency - via an exit scam - or police infiltration. But encrypted apps have their own downsides.
Australian police say they've broken up a sophisticated SMS phishing scheme designed to collect personal details and bank login credentials. It's a rare success in the fight against unsolicited text messages.
The U.S. Cybersecurity and Infrastructure Security Agency is warning of an uptick in attacks using LokiBot, an information stealer capable of sweeping up credentials. Fraudsters are using new methods to spread the malware.