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Muddling Meerkat, a mysterious DNS Operation involving China’s Great Firewall

Security Affairs

The China-linked threat actors Muddling Meerkat are manipulating DNS to probe networks globally since 2019. Infoblox researchers observed China-linked threat actors Muddling Meerkat using sophisticated DNS activities since 2019 to bypass traditional security measures and probe networks worldwide.

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DDoS attacks in Q4 2020

SecureList

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. In early October, a DDoS attack was reported by the PUBG Mobile team. But it dealt with the problem in a matter of minutes.

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DDoS attacks in Q3 2021

SecureList

Q3 2021 brought two new DDoS attack vectors, potentially posing a serious threat, including for major web resources. ris , a new botnet capable of carrying out powerful DDoS attacks. For instance, a DDoS attack on a Cloudflare customer (attributed to M?ris) We won't let our #DDoS stop us doing what we love!

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FBI warns cyber actors abusing protocols as new DDoS attack vectors

Security Affairs

The FBI issued an alert last week warning about the discovery of new network protocols that have been exploited to launch large-scale DDoS attacks. The Federal Bureau of Investigation sent an alert last week warning about large-scale distributed denial of service (DDoS) attacks that abused new network protocols. continues the report.

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How to Mitigate DDoS Attacks with Log Analytics

CyberSecurity Insiders

Is your organization prepared to mitigate Distributed Denial of Service (DDoS) attacks against mission-critical cloud-based applications? A DDoS attack is a cyber attack that uses bots to flood the targeted server or application with junk traffic, exhausting its resources and disrupting service for real human users. Source: Testbytes.

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Sophos fixed a critical vulnerability in Cyberoam firewalls

Security Affairs

A vulnerability in Sophos Cyberoam firewalls could be exploited by an attacker to gain access to a target’s internal network without authentication. Sophos addressed a vulnerability in its Cyberoam firewalls that could be exploited by an attacker to gain access to a company’s internal network without providing a password.

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Massive DDos attack hit Telegram, company says most of junk traffic is from China

Security Affairs

Encrypted messaging service Telegram was hit by a major DDoS attack apparently originated from China, likely linked to the ongoing political unrest in Hong Kong. We’re currently experiencing a powerful DDoS attack, Telegram users in the Americas and some users from other countries may experience connection issues. Pierluigi Paganini.

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