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CISA Order Highlights Persistent Risk at Network Edge

Krebs on Security

But last week, Barracuda took the highly unusual step of offering to replace compromised ESGs , evidently in response to malware that altered the systems in such a fundamental way that they could no longer be secured remotely with software updates. “They sold so many VPNs through the pandemic and this is the hangover,” Gray said.

Risk 221
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DarkHotel APT uses VPN zero-day in attacks on Chinese government agencies

Security Affairs

DarkHotel nation-state actor is exploiting a VPN zero -day to breach Chinese government agencies in Beijing and Shanghai. State-sponsored hackers used a zero-day vulnerability in Sangfor SSL VPN servers to gain access to victims’ networks. Up to now, a large number of VPN users have been attacked.”

VPN 129
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New DNS Spoofing Threat Puts Millions of Devices at Risk

eSecurity Planet

The goal is to redirect the victims to rogue servers owned by the hackers to steal credentials or install malware. According to the researchers, the affected devices are “well-known IoT devices running the latest firmware.” Admins need to apply the latest updates to all vendors and watch for the next firmware releases.

DNS 131
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Multiple DDoS botnets were observed targeting Zyxel devices

Security Affairs

The cause of the vulnerability is the improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35. ” concludes the report.

DDOS 97
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HelloKitty ransomware gang targets vulnerable SonicWall devices

Security Affairs

x firmware in an imminent ransomware campaign using stolen credentials.” The exploitation targets a known vulnerability that has been patched in newer versions of firmware.”. The network equipment vendor is now urging customers to update the firmware of their devices as soon as possible. reads the alert published by the company.

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Keep Calm and Check Your Public Wi-Fi Connection

Approachable Cyber Threats

Risk Level. A publicly available network may not always have the latest firmware, patch updates on its hardware, or have proper encryption enabled; therefore, if you connect to the network you may be exposing yourself to potential risks. What are the potential risks?” Category Awareness, Guides.

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A mysterious code prevents QNAP NAS devices to be updated

Security Affairs

Users of the Network attached storage devices manufactured have reported a mystery string of malware attacks that disabled software updates by hijacking entries in host machines’ hosts file. “Since recent firmware updates, the ClamAV Antivirus fails to update due to 700+ clamav.net entries in /etc/hosts, all set to 0.0.0.0