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Zxyel Flaw Powers New Mirai IoT Botnet Strain

Krebs on Security

In February, hardware maker Zyxel fixed a zero-day vulnerability in its routers and VPN firewall products after KrebsOnSecurity told the company the flaw was being abused by attackers to break into devices. which boasts some 100 million devices deployed worldwide.

IoT 274
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Zyxel 0day Affects its Firewall Products, Too

Krebs on Security

Today, Zyxel acknowledged the same flaw is present in many of its firewall products. “We’ve now completed the investigation of all Zyxel products and found that firewall products running specific firmware versions are also vulnerable,” Zyxel wrote in an email to KrebsOnSecurity. Patch 0 through ZLD V4.35 My advice? “To

Firewall 296
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Chinese national charged for hacking thousands of Sophos firewalls

Security Affairs

has charged a Chinese national for hacking thousands of Sophos firewall devices worldwide in 2020. has charged the Chinese national Guan Tianfeng (aka gbigmao and gxiaomao) for hacking thousands of Sophos firewall devices worldwide in 2020. It was designed to download payloads intended to exfiltrate XG Firewall-resident data.

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Sophos blocked attacks exploiting XG Firewall zero-day to deploy Ransomware

Security Affairs

Hackers attempted to exploit a zero-day flaw in the Sophos XG firewall to distribute ransomware to Windows machines, but the attack was blocked. It was designed to download payloads intended to exfiltrate XG Firewall-resident data. Sophos was informed of the attacks exploiting the zero-day issue by one of its customers on April 22.

Firewall 145
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Microsoft warns of BadAlloc flaws in OT, IoT devices

Security Affairs

Microsoft researchers are warning of major security vulnerabilities affecting OT and IoT devices and high-risks for businesses using them. Researchers from Microsoft’s Section 52 team recently uncovered several critical memory allocation flaws, collectively tracked as BadAlloc , affecting IoT and OT devices.

IoT 118
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Overview of IoT threats in 2023

SecureList

IoT devices (routers, cameras, NAS boxes, and smart home components) multiply every year. The first-ever large-scale malware attacks on IoT devices were recorded back in 2008, and their number has only been growing ever since. Telnet, the overwhelmingly popular unencrypted IoT text protocol, is the main target of brute-forcing.

IoT 133
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GUEST ESSAY: Here’s how Secure Access Service Edge — ‘SASE’ — can help, post Covid-19

The Last Watchdog

Many enterprises have accelerated their use of Virtual Private Network (VPN) solutions to support remote workers during this pandemic. However deploying VPNs on a wide-scale basis introduces performance and scalability issues. SASE then provides secure connectivity between the cloud and users, much as with a VPN.

IoT 214