Tag: DoS
These notifications give defenders a chance to prepare their response. Without them, a hacktivist runs the risk of the affected organization attributing the attack to criminals or equipment outages. For a hacktivist, that’s a fail—the attention is just as important to them as the shutdown. The real problem with hacktivists perpetrating DoS attacks is the…
Read MoreAuthentication Attacks: Growing Every Year Credential stuffing and brute force attacks have been the biggest threats for financial services recently, and the trend shows no sign of slowing. This is unsurprising, given the capability that legitimate credentials represent for attackers. If attackers are able to guess or simply re-use already compromised credentials and gain access…
Read MoreDuring this period, a campaign of blackmail attempts claimed to be from the Russian advanced attacker Fancy Bear. Their attack opened with a small DDoS attack as a demonstration, followed by a payment demand for hundreds of thousands of dollars. Pay up or they will “make sure your services will remain offline until you pay.”…
Read MoreIn the beginning, attackers built their own botnets by scanning the Internet for vulnerable devices and then compromising them with malware that enabled attackers to remotely control the bots. Sadly, attackers don’t even need to build botnets anymore; they can rent DDoS-for-hire botnets from operators who charge very little money for short-term (but effective) attacks.…
Read MoreAccounting for the slight dip in 2019, password login attacks account for 32% of all reported SIRT incidents over the past three years. We also saw how they jumped in 2020, so we did a deeper dive into how these kinds of cyberattacks ramped up during the pandemic. Credential Stuffing Attacks at Financial Services Organizations…
Read MoreThe Largest DDoS Attack of 2021 So Far The largest attack the SOC team encountered over the past 15 months came in February 2021 and targeted a technology company that provides information security services for gaming and gambling organizations. The onslaught peaked at 500 Gbps, or half a terabit per second. Threat actors, possibly disgruntled…
Read MoreThe sector with the largest single attack in 2021, however, was ISP/Hosting, which saw attacks peak at 1.4 Tbps. Where DDoS Attacks Come From Denial-of-service attacks are most frequently launched from compromised servers or consumer devices, such as Internet-of-Thing (IoT) products and broadband routers. In producing this report, we made use of data not only…
Read MoreThe two peaks appeared to be caused by the attackers targeting the company’s domain name, rather than a specific IP address. The customer uses a round robin DNS system with two IP addresses, each with a 90-second TTL (time-to-live). As the attackers’ DNS resolutions shifted with the round robin, for a brief period both IP…
Read More