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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. Security experts at Palo Alto Networks said Thursday their sensors detected the new Mirai variant — dubbed Mukashi — on Mar.

IoT 315
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How to Prevent DDoS Attacks: 5 Steps for DDoS Prevention

eSecurity Planet

Distributed denial of service (DDoS) attacks seek to cripple a corporate resource such as applications, web sites, servers, and routers, which can quickly lead to steep losses for victims. However, DDoS attackers sometimes even target the specific computers (or routers) of unwary people – often to harass video gamers, for example.

DDOS 124
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DDoS attacks in Q4 2020

SecureList

While the resource was down, cryptocurrency newbies were invited to download a copy of Bitcoin Core via a torrenting service. In December, Canada’s Laurentian University reported a DDoS attack. Educational institutions are recommended to use anti-DDoS solutions and strong firewall settings, and partner up with ISPs.

DDOS 145
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What Is a Next-Generation Firewall?

eSecurity Planet

A next generation firewall (NGFW) performs deep packet inspection to check the contents of the data flowing through the firewall. Unlike more basic firewalls that only check the header of data packets, NGFWs examine and evaluate the payload data within the packet. Who Needs a Next-Gen Firewall?

Firewall 113
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Fake DDoS protection pages on compromised WordPress sites lead to malware infections

Security Affairs

Threat actors compromise WordPress sites to display fake Cloudflare DDoS protection pages to distribute malware. DDoS Protection pages are associated with browser checks performed by WAF/CDN services which verify if the site visitor is a human or a bot. The file poses as a tool required to bypass the DDoS verification.

DDOS 98
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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 98
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KillNet hits healthcare sector with DDoS attacks

Malwarebytes

At the end of January, the Health Sector Cybersecurity Coordination Center warned that the KillNet group is actively targeting the US healthcare sector with distributed denial-of-service (DDoS) attacks. The Cybersecurity and Infrastructure Security Agency (CISA) says it helped dozens of hospitals respond to these DDoS incidents.

DDOS 97