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Google mitigated a 2.54 Tbps DDoS attack in 2017, the largest DDoS ever seen

Security Affairs

The Google Cloud team revealed that in September 2017 it has mitigated DDoS attack that reached 2.54 Tbps, the largest DDoS attack of ever. The Google Cloud team revealed that back in September 2017 it has mitigated a powerful DDoS attack that clocked at 2.54 “Our infrastructure absorbed a 2.5

DDOS 126
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How to Prevent DNS Attacks: DNS Security Best Practices

eSecurity Planet

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

DNS 113
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DirtyMoe botnet infected 100,000+ Windows systems in H1 2021

Security Affairs

The Windows botnet has been active since late 2017, it was mainly used to mine cryptocurrency, but it was also involved in DDoS attacks in 2018. Communication with C&C servers is based on DNS requests and it uses a special mechanism translating DNS results to a real IP address. ” concludes the analysis.”

DNS 145
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Inside Mirai the infamous IoT Botnet: A Retrospective Analysis

Elie

distributed Denial of service attacks (DDoS). Mirai represents a turning point for DDoS attacks: IoT botnets are the new norm. OVH DDoS attack. At that time, It was propelled in the spotlight when it was used to carry massive DDoS attacks against. For more information on DDoS techniques, read. Krebs on Security.

IoT 107
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Necurs Botnet adopts a new strategy to evade detection

Security Affairs

The Necurs botnet was not active for a long period at the beginning of 2017 and resumed its activity in April 2017 when it was observed using a new technique to avoid detection. Experts pointed out that DGA is a double-edged sword because allows security researchers to analyze DNS and network traffic to enumerate bots.

DNS 106
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Unveiling NKAbuse: a new multiplatform threat abusing the NKN protocol

SecureList

A not-so-new attack vector Evidence collected and analyzed by GERT suggests that this attack exploited an old vulnerability related to Struts2 (CVE-2017-5638 – Apache Struts2), targeting a financial company. (#dm=@ognl.OgnlContext@DEFAULT_MEMBER_ACCESS).(#_memberAccess?(#_memberAccess=#dm):((#cont _memberAccess?(#_memberAccess=#dm):((#cont

Malware 143
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Threat Trends: Firewall

Cisco Security

For example, alerts produced by one firewall under a DDoS attack can easily dwarf the number of alerts generated from a single exploit that hits hundreds of organizations. Simply looking at the raw numbers in this case would give the false impression that DDoS attacks have a far greater impact across the base of organizations.

Firewall 142