A malware campaign aimed at Microsoft Exchange servers exploits ProxyShell and ProxyLogon issues and uses stolen internal reply-chain emails. A malware campaign aimed at Microsoft Exchange servers exploits ProxyShell and ProxyLogon issues and uses stolen internal reply-chain emails to avoid detection. The campaign was uncovered by TrendMicro researchers that detailed the technique used to trick […]
A new round of the weekly Security Affairs newsletter arrived! Every week the best security articles from Security Affairs free for you in your email box. If you want to also receive for free the newsletter with the international press subscribe here. U.S. banking regulators order banks to notify cybersecurity incidents in 36 hours Study reveals […]
Advanced Intelligence researchers argue that the restarting of the Emotet botnet was driven by Conti ransomware gang. Early this year, law enforcement and judicial authorities worldwide conducted a joint operation, named Operation Ladybird, which disrupted the EMOTET botnet. At the time the investigators have taken control of its infrastructure in an international coordinated action. This operation was […]
American pizza chain California Pizza Kitchen (CPK) suffered a data breach that might have exposed personal information of its employees. American pizza chain California Pizza Kitchen (CPK) suffered a data breach, the company has already notified employees whose personal information might have been exposed. According to a data breach notification sent to the impacted employees, […]
Researchers revealed that Conti ransomware operators earned at least $25.5 million from ransom payments since July 2021. A study conducted by Swiss security firm Prodaft with the support of blockchain analysis firm Elliptic revealed that the operators of the Conti ransomware have earned at least $25.5 million from attacks and subsequent ransoms carried out since […]
The BrazKing Android banking trojan is back with significant improvements and dynamic banking overlays to avoid detection. Researchers from IBM spotted a new version of the BrazKing Android banking trojan that pull fake overlay screens from the command and control (C2) server in real-time. In the previous version, BrazKing abused the accessibility service to detect which app […]
Researchers discovered threat actors installing a Linux backdoor on compromised e-commerce servers after deploying a credit card skimmer into e-stores. Security researchers from Sansec Threat Research Team discovered a Linux backdoor during an investigation into the compromised of an e-commerce server with a software skimmer. The attackers initially conducted a reconnaissance phase by probing the […]
Security researchers from Cleafy discovered a new Android banking trojan, named SharkBot, that is targeting banks in Europe. At the end of October, researchers from cyber security firms Cleafy and ThreatFabric have discovered a new Android banking trojan named SharkBot. The name comes after one of the domains used for its command and control servers. […]
The Emotet botnet is still active, ten months after an international operation coordinated by Europol shut down its infrastructure. Early this year, law enforcement and judicial authorities worldwide conducted a joint operation, named Operation Ladybird, which disrupted the EMOTET botnet. At the time the investigators have taken control of its infrastructure in an international coordinated action. […]
Cloudflare announced to have mitigated a distributed denial-of-service (DDoS) attack that peaked at almost 2 terabytes per second (Tbps). Cloudflare, Inc. is an American web infrastructure and website security company that provides content delivery network and DDoS mitigation services. The company announced to have mitigated a distributed denial-of-service (DDoS) attack that peaked just below 2 terabytes per second (Tbps), which […]