A new type of denial-of-service threat can disrupt an estimated 300,000 internet hosts that are at risk of exploitation. Researchers at the CISPA Helmholtz Center for Information Security say attackers are using IP spoofing to entangle two servers in a perpetual communication loop.
Federal authorities are warning healthcare and public health sector entities of email bomb attacks, a type of denial-of-service attack that can overwhelm email systems and networks and distract victims from other nefarious activities. The incidents can also disrupt clinical and business workflow.
This week: espionage group exploits a zero-day in Roundcube Webmail, Cloudflare records a surge in HTTP DDoS attacks, ZScaler detects a spike in IoT hacks, the International Criminal Court says its cyber incident was espionage and the Kansas court system still offline.
Attackers have been actively exploiting vulnerabilities in the HTTP/2 protocol via so-called rapid request attacks, which Amazon Web Services, Cloudflare and Google report have led to record-breaking distributed-denial-of-service attacks. Experts recommend immediate patching or mitigation.
Microsoft fixed three zero-days under actively exploitation in its patch dump for the month of October: A disclosure flaw in WordPad that can be exploited to obtain hashed passwords, a bug in Skype for Business and a patch to fix exposure to the Rapid Reset exploit.
Cisco has released urgent fixes to a critical vulnerability affecting an emergency communication system used to track callers' location in real time. A developer inadvertently hard-coded credentials in Cisco Emergency Responder software, opening a permanent backdoor for unauthenticated attackers.
Welcome to "Cyber Fail" - ISMG's roundup of all that's broken in the world of cybersecurity, where our panel of experts uncovers the fails so we can strengthen our defenses. In this episode, ISMG host Anna Delaney takes on bumbling cybercrooks, avoidable breaches and the ethics of paying a ransom.
A recent, brief disruption at Canadian airports is a reminder that Russia-aligned hacking groups' bark remains worse than their bite. Experts say these groups' impact largely remains minimal, which begs the question of how they disrupted arrival kiosks across Canadian airports.
The demand for DDoS-for-hire services has surged significantly in recent years. Cameron Schroeder, chief of the Cyber and Intellectual Property Crimes Section at the U.S. Attorney’s Office, said the increase is driven by accessibility, ease of use and the need for only minimal technical proficiency.
Pro-Russian and self-declared "hacktivist" group Anonymous Sudan appears to use expensive online infrastructure to perpetuate distributed denial-of-service attacks, undermining its claim to be a volunteer group operating from an impoverished East African country.
The litany of outages plaguing Azure and Microsoft 365 in recent weeks stems from DDoS attacks carried out by a pro-Russian hacktivist group. The threat actor since early June has launched DDoS attacks from multiple cloud services and open proxy infrastructures thanks to its collection of botnets.
Versions of the Mirai botnet are targeting a vulnerability present in numerous Zyxel network devices. Zyxel patched the vulnerability in April but it's not clear how many users have applied the fix. Security experts warn the flaw appears to be exploited at a massive scale.
An obscure routing protocol codified during the 1990s has come roaring back to attention after researchers found a flaw that would allow attackers to initiate massive distributed denial-of-service attacks. Researchers from Bitsight and Curesec say they found a bug in Service Location Protocol.
Most of the healthcare organizations hit by distributed denial-of-service attacks by pro-Russia hacktivists in January have one or more level 1 trauma centers, indicating that the attackers aimed to disrupt care for the most critically ill and injured patients, according to a new government report.
Warning to criminals: Could that cybercrime service you're about to access really be a sting by law enforcement agents who are waiting to identify and arrest you? That's the message from British law enforcement agents, who say they're running multiple DDoS-for-hire sites as criminal honeypots.
Our website uses cookies. Cookies enable us to provide the best experience possible and help us understand how visitors use our website. By browsing paymentsecurity.io, you agree to our use of cookies.
