Category Archives: DDoS News

Web Host Hit by DDoS of Over 1Tbps

A French web hoster is claiming his firm has been hit by the biggest DDoS attack ever seen, powered by an IoT botnet with an estimated capacity of 1.5Tbps. Octave Klaba, the founder and CTO of OVH, took to Twitter late last week to reveal his firm was under attack from a stream of DDoS blitzes creeping towards and eventually past the 1Tbps mark. He claimed the botnet in question was initially comprised of around 145,000 internet-connected cameras and digital video recorders with an estimated 1-30Mbps capacity each – that’s a potential 1.5Tbps in total. In further updates this week Klaba said the botnet had increased by first another 6857 devices and then 15,654 more. The news follows reports last week that Akamai was forced to withdraw its  pro bono  DDoS protection of the KrebsOnSecurity site after it was allegedly hit by an attack measuring 665Gbps, then the largest on record. Dave Larson, CTO and COO at Corero Network Security, claimed the recent attacks are beginning to change the way IT security professionals view DDoS. “The internet is a powerful tool, and must be viewed with security and protection first and foremost,” he added. “Motivations for attacks, and the tools and devices used to execute the attacks, are readily available to just about anyone; combining this with almost complete anonymity creates a recipe to break the Internet.” Roland Dobbins, principal engineer at Arbor Networks, argued that IoT botnets are increasingly favored by hackers because they frequently ship with insecure defaults, are often connected to high speed internet and are rarely patched to fix bugs. “Embedded IoT devices are often low-interaction – end-users don’t spend much time directly interfacing with them, and so aren’t given any clues that they’re being exploited by threat actors to launch attacks,” he told  Infosecurity . “Organizations can defend against DDoS attacks by implementing best current practices for DDoS defense, including hardening their network infrastructure; ensuring they’ve complete visibility into all traffic from their networks; having sufficient DDoS mitigation capacity and capabilities either on premise or via cloud-based DDoS mitigation services or both; and by having a DDoS defense plan which is kept updated and is rehearsed on a regular basis.” Source: http://www.infosecurity-magazine.com/news/web-host-hit-by-ddos-of-over-1tbps/

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Web Host Hit by DDoS of Over 1Tbps

No wonder we’re being hit by Internet of Things botnets. Ever tried patching a Thing?

Akamai CSO laments pisspoor security design practices Internet of Things devices are starting to pose a real threat to security for the sensible part of the web, Akamai’s chief security officer Andy Ellis has told The Register .…

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No wonder we’re being hit by Internet of Things botnets. Ever tried patching a Thing?

152k cameras in 990Gbps record-breaking dual DDoS

Hacked low-powered cameras and internet-of-things things The world’s largest distributed denial of service (DDoS) attack has been clocked from the same network of 152,463 compromised low-powered cameras and internet-of-things devices which punted a media outlet off the internet.…

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152k cameras in 990Gbps record-breaking dual DDoS

IoT-based DDoS attacks on the rise

Cybercriminal networks are increasingly taking advantage of lax Internet of Things device security to spread malware and create zombie networks, or botnets, unbeknownst to their device owners. When lax security becomes a huge problem Symantec’s Security Response team has discovered that cybercriminals are hijacking home networks and everyday consumer connected devices to help carry out DDoS attacks on more profitable targets, usually large companies. To succeed, they need cheap bandwidth and get it by stitching … More ?

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IoT-based DDoS attacks on the rise

Security man Krebs’ website DDoS was powered by hacked Internet of Things botnet

Internet of Amazingly Insecure Tat? That’s the one The huge distributed denial of service (DDoS) attack which wiped security journalist Brian Krebs’ website from the internet came from a million-device-strong Internet of Things botnet.…

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Security man Krebs’ website DDoS was powered by hacked Internet of Things botnet

Google rushes in where Akamai fears to tread, shields Krebs after world’s-worst DDoS

600 Gbps traffic flood overwhelmed CDN Google has provided free distributed denial of service attack (DDoS) mitigation services to security publication Krebs on Security , stepping in after Akamai withdrew support.…

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Google rushes in where Akamai fears to tread, shields Krebs after world’s-worst DDoS

IBM botched geo-block designed to save Australia’s census

Bureau of Stats says spooks signed off IBM’s plan, but Big Blue mucked something up Australia’s Bureau of Statistics has heavily criticised IBM for the security it applied to the nation’s failed online census, which was taken offline after a distributed denial of service (DDoS) attack that battered a curiously flimsy defensive shield.…

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IBM botched geo-block designed to save Australia’s census

Hackers threaten First Securities with DDoS attacks

TAIPEI, Taiwan — First Securities (?????) was blackmailed on Thursday by hackers who threatened to completely disable its trading system with DDoS (distributed denial-of-service) attacks. The hackers asked the brokerage firm to pay 50 bitcoins (approximately NT$940,000), in an email that they sent to First Securities at around 10 a.m. on Thursday. Local newspaper Apple Daily cited an unnamed source as saying that a DDoS attack came at around 11 a.m., stopping all electronic trades. First Securities President Yeh Kuang-chang (???) confirmed that they received the blackmail email but stressed that the firm’s trading system was only slowed down but not disabled by the attacks as reported. The firm has activated a reserve system and, while a small number of investors were affected by the attacks, the system was not paralyzed, Yeh said. He said he believed the situation would be resolved by Friday. Yeh said the firm had reported the incident, which he said had caused no losses to the firm, to the authorities or to the investigation bureau. Yeh also stressed that while the firm had yet to ascertain the origin of the hackers, he had preliminary ruled out the possibility that Thursday’s DDoS attacks were related to the ATM heist aimed at its sister institution — First Commercial Bank — in July. ATMs at 41 First Bank branches were hacked in the incident, with over NT$80 million believed to have been stolen. Seventeen suspects from six countries have been identified in the heist, which involved an international crime ring. The Taiwan Stock Exchange (TWSE) issued a statement at 6 p.m. saying that First Securities suffered from an unknown online attack beginning at 10:50 a.m. and was not able to immediately recover its electronic trading system. The TWSE advised investors to use other forms of trading. TWSE Vice President Chien Lih-chung (???) said the TWSE had informed other securities firms and that no other firms had reported similar blackmail or system problems. Source: http://www.chinapost.com.tw/taiwan/national/national-news/2016/09/23/479195/Hackers-threaten.htm

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Hackers threaten First Securities with DDoS attacks

Renowned blog KrebsOnSecurity hit with massive DDoS attack

The 620 Gbps DDoS attack was built on a massive botnet. The security blog KrebsOnSecurity has been hit with one of the largest distributed denial of service (DDoS) attacks of all time. The site, which is run by security expert Brian Krebs, was hit by a DDoS attack of around 620 Gbps on 20 September. KrebsOnSecurity managed to stay online during the attack, due to defences from content delivery network provider Akamai. The largest attack of this kind Akamai had previously defended was one of 336 Gbps earlier this year. Previous large-scale DDoS attacks, including the 336 Gbps attack, used well-known methods to amplify a smaller attack such as using unmanaged DNS servers. Apart from being much larger in terms of scale, the attack on KrebsOnSecurity also differed in that it seemed to instead use a very large botnet of hacked devices. This could have involved hundreds of thousands of systems. “Someone has a botnet with capabilities we haven’t seen before,” Martin McKeay, Akamai’s senior security advocate, said to KrebsOnSecurity. “We looked at the traffic coming from the attacking systems, and they weren’t just from one region of the world or from a small subset of networks — they were everywhere.” Brian Krebs said that there were some signs that the attack had used a botnet that had captured a large number of Internet of Things (IoT) devices. During a DDoS attack, the targeted website is flooded with traffic, designed to overwhelm the resources of the site to crash or suspend its services. “It seems likely that we can expect such monster attacks to soon become the new norm,” wrote Krebs. He suggested that the attack on his site might have been in retaliation for a series he had done on the takedown of a DDoS-for-hire service vDOS, a theory supported by text included in the strings of the DDoS attack referencing the vDOS owners. Source: http://www.cbronline.com/news/cybersecurity/business/renowned-blog-krebsonsecurity-hit-with-massive-ddos-attack-5012622

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Renowned blog KrebsOnSecurity hit with massive DDoS attack

Spam is once again on the rise

Spam volume is back to mid-2010 heights, and Cisco Talos researchers say that the Necurs botnet is partly to blame. “Many of the host IPs sending Necurs’ spam have been infected for more than two years. To help keep the full scope of the botnet hidden, Necurs will only send spam from a subset of its minions. An infected host might be used for two to three days, and then sometimes not again for two … More ?

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Spam is once again on the rise