daily cyber news
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Threats
UNC2447 SOMBRAT and FIVEHANDS Ransomware: A Sophisticated Financial Threat
Mandiant has observed an aggressive financially motivated group, UNC2447, exploiting one SonicWall VPN zero-day vulnerability prior to a patch being…
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Threats
Abusing Replication: Stealing AD FS Secrets Over the Network
Organizations are increasingly adopting cloud-based services such as Microsoft 365 to host applications and data. Sophisticated threat actors are catching…
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Mobile
WhatsApp can be forced to decrypt WhatsApp Google Drive backups by state surveillance
The AES-GCM-256 key is stored and generated by WhatsApp server and is sent to the client. When a user signs in to…
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Mobile
Vulnerabilities in old GTP protocol could affect 4G and 5G networks
Experts cautioned that problems in the GPRS Tunneling Protocol (GTP) could affect the operation of 4G and 5G networks. In reports…
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Threats
Ghostwriter Update: Cyber Espionage Group UNC1151 Likely Conducts Ghostwriter Influence Activity
In July 2020, Mandiant Threat Intelligence released a public report detailing an ongoing influence campaign we named “Ghostwriter.” Ghostwriter is…
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Threats
Zero-Day Exploits in SonicWall Email Security Lead to Enterprise Compromise
In March 2021, Mandiant Managed Defense identified three zero-day vulnerabilities in SonicWall’s Email Security (ES) product that were being exploited…
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IoT
New P2P Botnet Targeting IoT Devices
By: Ravie Lakshmanan Cybersecurity researchers have taken the wraps off a new botnet hijacking Internet-connected smart devices in the wild…
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Phishing
Attackers Exploited 4 Zero-Day Flaws in Chrome, Safari & IE
At least two government-backed actors — including one Russian group — used the now-patched flaws in separate campaigns, Google says.…
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Threats
Forced Chrome extensions get removed, keep reappearing
Malwarebytes found a family of forced Chrome extensions that can’t be removed because of a policy change that tells users…
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Threats
ASyncRat surpasses Dridex, TrickBot and Emotet to become dominant email threat
A review of what’s changed in malware in 2022, and what hasn’t, based on Adam Kujawa’s talk at RSAC 2022.…
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