Microsoft confirms Azure, Outlook outages caused by DDoS attacks

Microsoft has confirmed that recent outages to Azure, Outlook, and OneDrive web portals resulted from Layer 7 DDoS attacks against the company's services. [...]

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Police cracks down on DDoS-for-hire service active since 2013

Polish police officers part of the country's Central Cybercrime Bureau detained two suspects believed to have been involved in the operation of a long-running DDoS-for-hire service (aka booter or stresser) active since at least 2013. [...]

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Microsoft Azure outage caused by "huge spike", that could have been a DDoS attack

A threat actor known as Anonymous Sudan assumed responsibility for the attack.

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Swiss government warns of ongoing DDoS attacks, data leak

The Swiss government has disclosed that a recent ransomware attack on an IT supplier might have impacted its data, while today, it warns that it is now targeted in DDoS attacks. [...]

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DOS Attacks Dominate, but System Intrusions Cause Most Pain

In the latest Verizon "Data Breach Investigations Report," denial-of-service attacks are the most common type of security incident, but when it comes to breaches, nearly four-in-ten attackers compromise systems.

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Microsoft’s Azure portal down following new claims of DDoS attacks

The Microsoft Azure Portal is down on the web as a threat actor known as Anonymous Suda claims to be targeting the site with a DDoS attack. [...]

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Microsoft OneDrive went down after a spate of DDoS attacks

Anonymous Sudan takes responsibility, calls Microsoft "liars".

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Microsoft OneDrive down worldwide following claims of DDoS attacks

Microsoft is investigating an ongoing outage that is preventing OneDrive customers from accessing the cloud file hosting service worldwide, just as a threat actor known as 'Anonymous Sudan' claims to be DDoSing the service [...]

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Outlook.com hit by outages as hacktivists claim DDoS attacks

Outlook.com is suffering a series of outages today after being down multiple times yesterday, with hacktivists known as Anonymous Sudan claiming to perform DDoS attacks on the service. [...]

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Mirai Variant Opens Tenda, Zyxel Gear to RCE, DDoS

Researchers have observed several cyberattacks leveraging a botnet called IZ1H9, which exploits vulnerabilities in exposed devices and servers running on Linux.

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Carpet bomb DDoS attacks rise 300 percent

A new report shows that 2022 saw a 300 percent increase in 'carpet bomb' DDoS attacks compared to 2021. Carpet bomb attacks, also known as spread-spectrum or spray attacks, distribute traffic across large IP address spaces. Legacy technology, like standard victim-oriented detection and mitigation detection techniques, often fails to accurately identify these attacks, leading to incomplete mitigation or false positives. Legacy solutions can also simply be overwhelmed by the number of IP addresses involved. The DDoS Threat Intelligence Report from Corero Network Security also reveals over seven times as many Mirai-like DDoS attacks in 2022 than in 2021. These botnet… [Continue Reading]

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Breaking the DDoS Attack Loop With Rate Limiting

This Tech Tip demonstrates how security engineers can best use rate limits to mitigate distributed denial-of-service attacks.

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RapperBot DDoS malware adds cryptojacking as new revenue stream

New samples of the RapperBot botnet malware have added cryptojacking capabilites to mine for cryptocurrency on compromised Intel x64 machines. [...]

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RapperBot Crew Drops DDoS/CryptoJacking Botnet Collab

Cryptomining is a logical partner for an existing IoT-focused DDoS botnet, so the RapperBot authors customized XMRig to make it happen.

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Critical Ruckus RCE flaw exploited by new DDoS botnet malware

A new malware botnet named 'AndoryuBot' is targeting a critical-severity flaw in the Ruckus Wireless Admin panel to infect unpatched Wi-Fi access points for use in DDoS attacks. [...]

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Justice Department Targets 13 Websites Linked to DDoS-for-Hire

Ten of the domains targeted today were "reincarnations" of services seized in December 2022.

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Feds Take Down 13 More DDoS-for-Hire Services

The U.S. Federal Bureau of Investigation (FBI) this week seized 13 domain names connected to “booter” services that let paying customers launch crippling distributed denial-of-service (DDoS) attacks. Ten of the domains are reincarnations of DDoS-for-hire services the FBI seized in December 2022, when it charged six U.S. men with computer crimes for allegedly operating booters.

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FBI seizes 13 more domains linked to DDoS-for-hire services

The U.S. Justice Department announced today the seizure of 13 more domains linked to DDoS-for-hire platforms, also known as 'booter' or 'stressor' services. [...]

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DDoS attacks are getting more complex and harder to spot

Hackers are running raids during holidays, report warns.

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'Anonymous Sudan' Claims Responsibility for DDoS Attacks Against Israel

The group has unleashed numerous attacks against the country during the week of Israel's Independence Day.

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