A new reflection/amplification distributed denial of service (DDoS) vector with a record-breaking potential amplification ratio of 4,294,967,296:1 has been abused by attackers in the wild to launch multiple high-impact DDoS attacks.
Second data wiper attack hits Ukraine computer networks
Two cybersecurity firms with a strong business presence in Ukraine—ESET and Broadcom’s Symantec—have reported tonight that computer networks in the country have been hit with a new data-wiping attack. The attack is taking place as Russian military troops have crossed the border and invaded Ukraine’s territory in what Russian President Putin has described as a “peacekeeping” mission.
Authorities in Germany this week seized Internet servers that powered FlyHosting, a dark web service that catered to cybercriminals operating DDoS-for-hire services. Fly Hosting first advertised on cybercrime forums in November 2022, saying it was a Germany-based hosting firm that…
NCA infiltrates cyber crime market with disguised DDoS sites
The National Crime Agency has today revealed that it has infiltrated the online criminal marketplace by setting up a number of sites purporting to offer DDoS-for-hire services. Today’s announcement comes after the Agency chose to identify one of the sites currently being run by officers as part of a sustained programme of activity to disrupt and undermine DDoS as a criminal service.
A series of distributed denial-of-service (DDoS) attacks shut down seven German airports' websites on Thursday, a day after a major IT glitch at Lufthansa grounded flights.
Cloudflare mitigates record-breaking 71 million request-per-second DDoS attack
This was a weekend of record-breaking DDoS DDoS. Over the weekend, Cloudflare detected and mitigated dozens of hyper-volumetric DDoS attacks. The majority of attacks peaked in the ballpark of 50-70 million requests per second (rps) with the largest exceeding 71 million rps. This is the largest reported HTTP DDoS attack on record, more than 35% higher than the previous reported record of 46M rps in June 2022.
Hospitals urged to tighten DDoS defenses after health data found on Killnet list
The Killnet hacktivist group is actively targeting the health sector with DDoS attacks, claiming to have successfully exfiltrated data from a number of hospitals within the last month, according to a Department of Health and Human Services Cybersecurity Coordination Center alert.
Pro-Russian DDoS attacks raise alarm in Denmark, U.S.
Distributed denial-of-service (DDoS) attacks by pro-Russian hacking groups are causing alarm in the U.S. and Denmark after several incidents affected websites of hospitals and government offices in both countries. On Tuesday, Denmark announced that it was raising its cyber risk alert level after weeks of attacks on banks and the country’s defense ministry.
Global crackdown against DDoS services shuts down most popular platforms
Known as Operation Power Off, this operation saw law enforcement in the United States, the United Kingdom, the Netherlands, Poland and Germany take action against these types of attacks which can paralyse the internet. The services seized were by far the most popular DDoS booter services on the market, receiving top billing on search engines. One such service taken...
New RapperBot Campaign – We Know What You Bruting for this Time | FortiGuard Labs
FortiGuard Labs provides an analysis on RapperBot focusing on comparing samples for different campaigns, including one aiming to launch Distributed Denial of Service (DDoS) attacks. Read our blog to learn more about the differences observed in this campaign vs previous RapperBot and similar campaigns in the past.
Fodcha Is Coming Back, Raising A Wave of Ransom DDoS
Background On April 13, 2022, 360Netlab first disclosed the Fodcha botnet. After our article was published, Fodcha suffered a crackdown from the relevant authorities, and its authors quickly responded by leaving "Netlab pls leave me alone I surrender" in an updated sample.No surprise, Fodcha's authors didn't really stop updating after the fraudulent surrender, and soon a new version was released. In the new version, the authors of Fodcha redesigned the communication protocol and started to us
Record 25.3 Billion Request Multiplexing Attack Mitigated by Imperva
On June 27, 2022, Imperva mitigated a single attack with over 25.3 billion requests, setting a new record for Imperva’s application DDoS mitigation solution. While attacks with over one million requests per second (RPS) aren’t new, we’ve previously only seen them last for several seconds to a few minutes. On June 27, Imperva successfully mitigated a strong attack that lasted more than four hours and peaked at 3.9 million RPS.
Fake DDoS Pages On WordPress Sites Lead to Drive-By-Downloads
We reveal how hackers have begun leveraging fake DDoS protection pages to trick users into downloading remote access trojans (RATs) onto their computers.
End of June 2021, Qrator Labs started to see signs of a new assaulting force on the Internet – a botnet of a new kind. That is a joint research we conducted together with Yandex to elaborate on the specifics of the DDoS attacks enabler emerging in almost real-time.
Palo Alto bug used for DDoS attacks and there's no fix yet
A high-severity Palo Alto Networks denial-of-service (DoS) vulnerability has been exploited by miscreants looking to launch DDoS attacks, and several of the affected products won't have a patch until next week
The risk of distributed denial-of-service attacks (DDoS) has never been greater. Over the past several years, organizations have encountered a deluge of DDoS extortion, novel threats, state-sponsored hacktivism, and unprecedented innovation in the threat landscape.
Over 18.8 million IPs vulnerable to Middlebox TCP reflection DDoS attacks
We recently began scanning for middlebox devices that are vulnerable to Middlebox TCP reflection, which can be abused for DDoS amplification attacks. Our results are now shared daily, filtered for your network or constituency in the new Vulnerable DDoS Middlebox report. We uncover over 18,800,000 IPv4 addresses responding to our Middlebox probes. In some cases the amplification rates can exceed 10,000!
Against the backdrop of the conflict between Russia and Ukraine, the number of DDoS attacks in Q1 2022 increased by 4.5 times against Q1 2021. A significant proportion of them were by hacktivists.
DoS attacks hit Finnish websites during Zelenskyy address • The Register
Cyberattacks took down Finnish government websites on Friday while Ukrainian President Volodymyr Zelenskyy addressed Finland's members of parliament (MPs).
A new reflection/amplification distributed denial of service (DDoS) vector with a record-breaking potential amplification ratio of 4,294,967,296:1 has been abused by attackers in the wild to launch multiple high-impact DDoS attacks.