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The latest Gcore Radar report analyzing attack data from Q1–Q2 2025, reveals a 41% year-on-year increase in total attack volume. The largest attack peaked at 2.2 Tbps, surpassing the 2 Tbps record in late 2024. Attacks are growing not only in scale but in sophistication, with longer durations, multi-layered strategies, and a shift in target industries. Technology now overtakes gaming as the most attacked sector, while the financial services industry continues to face heightened risks. Key takeaways: the evolving DDoS landscape Here are five key insights from the Q1–Q2 2025 Gcore Radar report: Attack volumes are rising. Total attacks climbed from 969,000 in H2 2024 to 1.17 million in H1 2025, a 21% increase over the previous two quarters and 41% YoY growth. Attack size continues to grow. The peak attack of 2.2 Tbps demonstrates the increasing scale and destructive potential of modern DDoS campaigns. Attacks are becoming longer and more sophisticated. Extended durations and mu...

The  Internet of Things (IoT)  is transforming efficiency in various sectors like healthcare and logistics but has also introduced new security risks, particularly IoT-driven DDoS attacks. This article explores how these attacks work, why they’re uniquely problematic, and how to mitigate them. What Is IoT? IoT (Internet of Things) refers to online, interconnected devices that collect and exchange data. This broad category of devices includes sensors, cameras, network routers, and advanced machinery, and their integration into everyday life and work processes results in an ecosystem that can automate operations, improve decision-making, and enhance user experience. IoT: A Breeding Ground for Botnets IoT’s rapid adoption amplifies its vulnerability, as poorly secured devices become easy prey for attackers and may become part of a botnet. Controlled by attackers, botnets can scale and rapidly execute various attacks, including DDoS, data theft, ad fraud, cryptocurrency minin...

Cloudflare on Thursday said it mitigated thousands of hyper-volumetric HTTP distributed denial-of-service (DDoS) attacks that exploited a recently disclosed flaw called  HTTP/2 Rapid Reset , 89 of which exceeded 100 million requests per second (RPS). "The campaign contributed to an overall increase of 65% in HTTP DDoS attack traffic in Q3 compared to the previous quarter ," the web infrastructure and security company said in a report shared with The Hacker News. "Similarly,  L3/4 DDoS attacks  also increased by 14%." The total number of HTTP DDoS attack requests in the quarter surged to 8.9 trillion, up from 5.4 trillion in Q2 2023 and 4.7 trillion in Q1 2023. The number of attack requests in Q4 2022 stood at 6.5 trillion. HTTP/2 Rapid Reset (CVE-2023-44487) came to light earlier this month following an industry-wide coordinated disclosure that delved into DDoS attacks orchestrated by an unknown actor by leveraging the flaw to target various providers such as ...

The Internet of Things (IoTs) or Internet-connected devices are growing at an exponential rate and so are threats to them. Due to the insecure implementation, these Internet-connected embedded devices, including Smart TVs, Refrigerators, Microwaves, Set-top boxes, Security Cameras and printers, are routinely being hacked and used as weapons in cyber attacks. We have seen how hackers literally turned more than 100,000 Smart TVs and Refrigerator into the cyber weapon to send out millions of malicious spam emails for hacking campaigns; we have also seen how hackers abused printers and set-top-boxes to mine Bitcoins. And now… Cyber crooks are hacking CCTV cameras to form a massive botnet that can blow large websites off the Internet by launching Distributed Denial-of-service (DDoS) attacks. Researchers at Security firm Sucuri came across a botnet of over 25,000 CCTV cameras targeting business around the globe while defending a small jewelry shop against a DDoS attack . Al...

The DDoS techniques have massively increased with the attackers becoming more skillful at working around the network security. A massive 300Gbps DDoS attack launched against Spamhaus website almost broke the Internet a year ago and also earlier this year, hackers have succeeded in reaching new heights of the massive DDoS attack targeting content-delivery and anti-DDoS protection firm CloudFlare, reaching more than 400Gbps at its peak of traffic. Akamai's Prolexic Security Engineering and Response Team (PLXsert) issued a threat advisory on Thursday reporting a significant surge in DDoS attacks last month abusing the Simple Network Management Protocol (SNMP) interface in network devices. Simple Network Management Protocol (SNMP) is a UDP-based protocol which is commonly known and often used to manage network devices. SNMP is typically used in devices such as printers, routers and firewalls that can be found in the home and enterprise environments as well. Just as D...

Cloudflare has disclosed that it mitigated a record-breaking distributed denial-of-service (DDoS) attack that peaked at 3.8 terabits per second (Tbps) and lasted 65 seconds. The web infrastructure and security company said it fended off "over one hundred hyper-volumetric L3/4 DDoS attacks throughout last month, with many exceeding 2 billion packets per second (Bpps) and 3 terabits per second (Tbps)." The hyper-volumetric L3/4 DDoS attacks have been ongoing since early September 2024, it noted, adding they targeted multiple customers in the financial services, Internet, and telecommunication industries. The activity has not been attributed to any specific threat actor. The previous record for the largest volumetric DDoS attack hit a peak throughput of 3.47 Tbps in November 2021 , targeting an unnamed Microsoft Azure customer in Asia. The attacks leverage the User Datagram Protocol (UDP) protocol on a fixed port, with the flood of packets originating from Vietnam, Russi...

In March of this year, we saw the first ever 300 Gigabit DDoS attack , which was possible due to a DNS Reflection Amplification attack against Spamhaus . On 24 September World's 3rd Largest Bitcoin exchange BTC China , a platform where both Bitcoin and Chinese yuan are traded faced massive DDoS attack for continued nine hours, where no amplification techniques were used. Incapsula , Cloud-based security service provider helped the Chinese Bitcoin trader to protect them from such massive denial-of-service attack and successfully mitigated the threats. Incapsula tweeted  a graph of DDoS attack last month as shown, " Yesterday we prevented a ~100Gbps DDoS. The attack's load was distributed across our 350Gbps network. " Specialist at Incapsula shared the details of the attack with TheRegister , explained " The attack against BTC China took the form of a SYN flood rather than the DNS amplification-style attack ", " The attacker balanced the assault betwee...

Two weeks ago, we reported how a serious flaw in the popular peer-to-peer BitTorrent file sharing protocols could be exploited to carry out a devastating distributed denial of service (DDoS) attack, allowing lone hackers with limited resources to take down large websites. Good news is that the developers of BitTorrent have fixed the security issue in its service that is being used by hundreds of Millions of users worldwide. In a blog post published Thursday, BitTorrent announced that the flaw was resided in a reference implementation of the Micro Transport Protocol (uTP) called libuTP , which is used by many widely used BitTorrent clients such as μTorrent , Vuze and Mainline . The San Francisco company also announced that it has rolled out a patch for its libuTP software that will stop miscreants from abusing the p2p protocol to conduct Distributed Reflective Denial-of-Service (DRDoS) attacks. DRDoS attack is a more sophisticated form of conventional DDoS att...

There is currently a Mega cyber attack campaign being launched on a large number of WordPress websites across the Internet.  In April, 2012 we reported about a large distributed brute force attack against millions of WordPress sites were occurring, out of that hackers are successful to compromise 90,000 servers to create a large Botnet  of Wordpress hosts. According to the DDOS attack logs report  received from a ' The Hacker News ' reader ' Steven Veldkamp ', victim's website was under under heavy DDOS attack recently, coming from various compromised Wordpress based websites. Possibly using the brute force attack on WordPress administrative portals with the a world list of the most commonly used username and password combinations, attackers are taking control of many poorly secured WordPress Hosts. After analyzing the piece of a DDOS attack Log file from timing 23/Sep/2013:13:03:13 +0200 to 23/Sep/2013:13:02:47 +0200, we found that in 26 second att...

Currently there are more than Million people worldwide playing Windows Games, Computer Games and Online Video Games, at least an hour a day, but the gaming servers are often insecure and misconfigured. Yesterday, a popular multiplayer Free Online Game ' Wurm ' servers were knocked offline by Distributed Denial of Service (DDoS) attack. Servers were targeted shortly after its most recent update. The Online Game company announced a Bounty Reward of  €10,000  ($13,000) for information about the attacker involved in the recent DDOS attack .  As the gaming servers go down, the company will lose gamers, reputation and revenue. The Wurn Online Game developer said: " We can offer 10,000 Euro for any tips or evidence leading to a conviction of the person responsible for this attack. " Free Online Game service was already planning to change the server, but the DDoS attack made the gaming application offline for more than a day. " Shortly after todays update we wer...

Do you know — Your Smart Devices may have inadvertently participated in a record-breaking largest cyber attack that Internet has just witnessed. If you own a smart device like Internet-connected televisions, cars, refrigerators or thermostats, you might already be part of a botnet of millions of infected devices that was used to launch the biggest DDoS attack known to date, with peaks of over 1 Tbps of traffic. France-based hosting provider OVH was the victim to the record-breaking Distributed Denial of Service (DDoS) attacks that reached over one terabit per second (1 Tbps) over the past week. As the Internet of Things (IoT) or connected devices are growing at a great pace, they continue to widen the attack surface at the same time, giving attackers a large number of entry points to affect you some or the other way. 1 Tbps DDoS Attack Hits OVH IoTs are currently being deployed in a large variety of devices throughout your home, businesses, hospitals, and even entire cities (...

Distributed Denial of Service (DDoS) attacks have risen enormously in past few months and, mostly, they are coming from hacked and insecure internet-connected devices, most commonly known as Internet of Things (IoT). Recent DDoS attack against DNS provider Dyn that brought down a large chunk of the Internet came from hacked and vulnerable IoT devices such as DVRs, security cameras, and smart home appliances. This DDoS was the biggest cyber attack the world has ever seen. Now, in the latest incident, at least five Russian banks have been subject to a swathe of DDoS attacks for two days, said the Russian banking regulator. The state-owned Sberbank was one of the five targets of the attacks that began on last Tuesday afternoon and lasted over the next two days. According to Kaspersky Lab, the longest attack last for 12 hours and peaked at 660,000 requests per second came from a botnet of at least 24,000 hacked devices located in 30 countries. Although the culprit appears ...

Cloudflare on Wednesday said it detected and mitigated the largest ever distributed denial-of-service (DDoS) attack that measured at 29.7 terabits per second (Tbps). The activity, the web infrastructure and security company said, originated from a DDoS botnet-for-hire known as AISURU , which has been linked to a number of hyper-volumetric DDoS attacks over the past year. The attack lasted for 69 seconds. It did not disclose the target of the attack. The botnet has prominently targeted telecommunication providers, gaming companies, hosting providers, and financial services. Also tackled by Cloudflare was a 14.1 Bpps DDoS attack from the same botnet. AISURU is believed to be powered by a massive network comprising an estimated 1-4 million infected hosts worldwide. "The 29.7 Tbps was a UDP carpet-bombing attack bombarding an average of 15,000 destination ports per second," Omer Yoachimik and Jorge Pacheco said . "The distributed attack randomized various packet attrib...

Distributed Denial of Service (DDoS) attack is a malicious form of attack that disrupts the regular network traffic by overwhelming the website with more traffic than the server can handle. The main aim of this kind of cyberattack is to render the website inoperable. Over recent years, these kinds of attacks are increasing, fueling the demand for the  best DDoS protection  software solutions. Many unplanned data center outages are owing to DDoS attacks. The threat of DDoS is due to access to easy-to-use tools and the profit potential through extortion.  The attacks target businesses directly, leading to substantial financial and personal losses, making it critical to have robust DDoS protection software solutions in place. According to the report of  Market Research Inc , the DDoS protection Software Market is predicted to reach +14% CAGR by 2020 – 2028.  Important Statistics to illustrate the growing demand for DDoS Software Solutions Demand for the DDoS ...

On Thursday, we compiled a story based on research published by a British security expert reporting that some cyber criminals are apparently using Mirai Botnet to conduct DDoS attacks against the telecommunication companies in Liberia, a small African country. In his blog post , Kevin Beaumont claimed that a Liberian transit provider confirmed him about the DDoS attack of more than 500 Gbps targeting one undersea cable servicing Internet connectivity for the entire country. Later, some media outlets also confirmed that the DDoS attack caused Internet outage in some parts of the country, citing ‘slow Internet’ and ‘total outage’ experienced by some local sources and citizens. "The DDoS is killing our business. We have a challenge with the DDoS. We are hoping someone can stop it. It's killing our revenue. Our business has frequently been targeted" an employee with one Liberian mobile service provider told PC World . Network firm Level 3 confirmed Zack Whittaker ...

Image Credit: Pixelbay Blockchain startups are cropping up left and right aiming to disrupt existing services and business models. These range from the trivial to potentially game-changing solutions that can revolutionize the internet as we know it. Among those that promise to change the world, most are attempting to reconstruct the entire internet infrastructure into something that is decentralized, secure, scalable, and tokenized. There are also those that aim to solve the most significant problems plaguing the digital world, particularly potentially costly and tedious security issues. We do not lack for dangers, ranging from data breaches to denial-of-service attacks, and other hacks. For the most part, there are capable SaaS and software-defined services that are capable enough in addressing the threats that involve malware and DDoS. However, blockchains offer much much more. The plague of DDoS Distributed denial-of-service or DDoS attacks involve a malicious hacke...