Ransomware attacks continue to pummel organizations, but fewer victims have been paying a ransom, and when they do, on average they're paying less than before, says ransomware incident response firm Coveware, which traces the decline to attackers failing to honor their data deletion promises.
The law enforcement agencies behind this week's disruption - dubbed “Operation Ladybird” - of Emotet are helping victims by pushing out an update via the botnet’s infrastructure that will disconnect their devices from the malicious network.
Researchers at the security firm RiskIQ have discovered a phishing kit they call "LogoKit" that fraudsters can use to easily change lures, logos and text in real time to help trick victims into opening up messages and clicking on malicious links.
The latest edition of the ISMG Security Report features an analysis of this week’s police takedowns of Emotet and Netwalker cybercrime operations. Also featured: Updates on passwordless authentication and the use of deception technology.
U.S. and Bulgarian authorities have seized servers and disrupted the infrastructure and darknet websites of the Netwalker ransomware gang. Police have also arrested one person and confiscated ransom money collected by the cybercriminal gang. The news comes the same week the Emotet botnet was disrupted.
Organizations in the APAC region are not immune to the impact of the SolarWinds supply chain hack, so it's essential that they reassess their risk management practices and audit their suppliers, two security experts stress.
North Korean hackers have been "targeting security researchers working on vulnerability research and development at different companies and organizations" to trick them into installing backdoored software that gives attackers remote access to their systems, warns Google's Threat Analysis Group.
Email security vendor Mimecast confirmed Tuesday that the hackers responsible for the SolarWinds supply chain hack also breached the security firm's network to compromise a digital certificate that encrypts data that moves between some of the firm's products and Microsoft's servers.
The SolarWinds supply chain compromise has raised questions over how to detect software that has been tainted during the vendor's development and build process. A concept called verified reproducible builds could help, says David Wheeler of the Linux Foundation.
Good news on the cybercrime front: "Cryptocurrency-related crime fell significantly in 2020," compared to 2019, reports blockchain analysis firm Chainalysis. Unfortunately, in the same timeframe, ransomware profits surged 311%, stoking calls for a crackdown on ransom payments.
Threat actors are exploiting vulnerable Microsoft Remote Desktop Protocol servers to amplify DDoS attacks, according to a report from Netscout, which offers mitigation advice.
Security vendor SonicWall is investigating what the company calls a "coordinated attack" against its internal network by threat actors using a zero-day exploit within the company's remote access products. SonicWall is urging customers to apply temporary fixes to secure VPNs and gateways.
Zscaler's ThreatLabz research team is tracking a new botnet dubbed DreamBus that's installing the XMRig cryptominer on powerful, enterprise-class Linux and Unix systems with the goal of using their computing power to mine monero.
Microsoft researchers are offering fresh details on the SolarWinds hackers' extensive efforts to remain hidden, which gave them more time to fully penetrate systems, move laterally through networks and exfiltrate data in follow-on attacks.
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