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.
The U.S. Justice Department has seized 92 domains that Iran's Islamic Revolutionary Guard Corps was using to support a global disinformation campaign. This was the latest in a series of steps to crack down on Iran's interference activities.
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.
Within a few days of President Donald Trump testing positive for a COVID-19 virus infection, fraudsters began deploying phishing emails using the president's health as a lure, according to the security firms Proofpoint and KnowBe4.
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.
In the latest in a series of election security reports from government agencies, the U.S. Department of Homeland Security says Russia poses the most serious nation-state disruption threat to the U.S. presidential election, with China and Iran also posing threats.
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.
Security researchers are warning of a fresh wave of phishing emails with election-related lures that are designed to get users to click, opening the door to spreading the Emotet botnet or harvesting users' credentials.
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.