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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. Image: Palo Alto Networks. Zyxel issued a patch for the flaw on Feb.

IoT 244
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Great Firewall Ready to Unleash ‘Gigantic’ DDoS—so are Other Middleboxes

Security Boulevard

The post Great Firewall Ready to Unleash ‘Gigantic’ DDoS—so are Other Middleboxes appeared first on Security Boulevard. Researchers have disclosed a nasty new way for bad people to mess up the internet for the rest of us.

Firewall 140
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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 85
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Massive increase in XorDDoS Linux malware in last six months

Malwarebytes

Based on a case study in 2015 , Akamai strengthened the theory that the malware may be of Asian origin based on its targets. Microsoft said that XorDDoS continues to home on Linux-based systems, demonstrating a significant pivot in malware targets. Security IoT devices. XorDDoS is as sophisticated as it gets.

Malware 131
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Multiple DDoS botnets were observed targeting Zyxel devices

Security Affairs

Researchers warn of several DDoS botnets exploiting a critical flaw tracked as CVE-2023-28771 in Zyxel devices. Fortinet FortiGuard Labs researchers warned of multiple DDoS botnets exploiting a vulnerability impacting multiple Zyxel firewalls. Mirai botnets are frequently used to conduct DDoS attacks.”

DDOS 96
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How to Stop a DDoS Attack on Your Website

SiteLock

In a matter of minutes, a distributed denial-of-service — or DDoS — attack can bring your website traffic to a grinding halt. DDoS attacks are growing in both size and frequency. Recovering from an DDoS attack like this could cost a small business hundreds of thousands of dollars. Why Is a DDoS Attack Destructive?

DDOS 98
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5 Linux malware families SMBs should protect themselves against

Malwarebytes

The common wisdom goes that Linux malware is rare, and for the most part this is true. Thanks to its built-in security defenses, strict user privilege model, and transparent source code, Linux enjoys far fewer malware infections than other operating systems. Cloud Snooper. How it works. HiddenWasp. How it works. How it works.

Malware 100