KillNet and affiliate hacktivist groups targeting healthcare with DDoS attacks

In the last year, geopolitical tension has led to an uptick of reported cybercrime events fueled by hacktivist groups. The US Cybersecurity and Infrastructure Security Agency CISA published an advisory to warn organizations about these attacks and teamed with the FBI on a distributed...

KillNet and affiliate hacktivist groups targeting healthcare with DDoS attacks

In the last year, geopolitical tension has led to an uptick of reported cybercrime events fueled by hacktivist groups. The US Cybersecurity and Infrastructure Security Agency CISA published an advisory to warn organizations about these attacks and teamed with the FBI on a distributed...

New GoLang-Based HinataBot Exploiting Router and Server Flaws for DDoS Attacks

A new Golang-based botnet dubbed HinataBot has been observed to leverage known flaws to compromise routers and servers and use them to stage distributed denial-of-service DDoS attacks. "The malware binaries appear to have been named by the malware author after a character from the popular anime...

New GoLang-Based HinataBot Exploiting Router and Server Flaws for DDoS Attacks

A new Golang-based botnet dubbed HinataBot has been observed to leverage known flaws to compromise routers and servers and use them to stage distributed denial-of-service DDoS attacks. "The malware binaries appear to have been named by the malware author after a character from the popular anime...

GHSA-67G8-C724-8MP3 DDOS attack on graphql endpoints

An attacker could use a specially crafted graphql query to execute a Distributed Denial of Service attack DDOS attack against a website. This mostly affects websites with publicly exposed and particularly large/complex graphql schemas. If your Silverstripe CMS project does not expose a public...

DDOS attack on graphql endpoints

An attacker could use a specially crafted graphql query to execute a Distributed Denial of Service attack DDOS attack against a website. This mostly affects websites with publicly exposed and particularly large/complex graphql schemas. If your Silverstripe CMS project does not expose a public...

CVE-2023-28104 DDOS attack on graphql endpoints

More info at https://www.silverstripe.org/download/security-releases/CVE-2023-28104...

DDoS Attacks in 2022: Targeting Everything Online, All at Once

There was a big shift in DDoS targeting in 2022. Perhaps the most significant lesson learned: DDoS attackers are targeting everything, sometimes all at once...

Akamai Mitigates Record DDoS Attack in Asia-Pacific (900 Gbps)

...

CISA's KEV Catalog Updated with 3 New Flaws Threatening IT Management Systems

The U.S. Cybersecurity and Infrastructure Security Agency CISA has added three security flaws to its Known Exploited Vulnerabilities KEV catalog, citing evidence of active exploitation. The list of vulnerabilities is below - CVE-2022-35914 CVSS score: 9.8 - Teclib GLPI Remote Code Execution...

Advanced Persistent Threat Groups Behind DDoS Attacks on Danish Hospitals

On Sunday 26 February the websites of several Danish hospitals were taken offline after being hit by Distributed Denial of Service DDoS attacks claimed by a group calling themselves ‘Anonymous Sudan’. According to reports on Twitter patient care was unaffected by the attacks and the sites were ba...

New Cryptojacking Campaign Leverages Misconfigured Redis Database Servers

Misconfigured Redis database servers are the target of a novel cryptojacking campaign that leverages a legitimate and open source command-line file transfer service to implement its attack. "Underpinning this campaign was the use of transfer.sh," Cado Security said in a report shared with The...

Why Attackers Target the Healthcare Industry

Key Takeaways: Personal health information PHI is an incredibly valuable category of personal data. When compromised and sold on the dark web, this data can be sold for thousands of dollars. Healthcare is a valuable target to attackers, including the group Killnet, which targeted healthcare sites...

The Evolution of DDoS in Financial Services — Much More than a Nuisance

Cyberattacks cost an average of 50% more for financial institutions than for firms in all other industries combined — and they continue to evolve...

BlackCat ransomware targets another healthcare facility

In a statement issued Monday morning, Lehigh Valley Health Network said it had been the target of a cyberattack attributed to a ransomware gang known as BlackCat. The Network is made up of 13 hospital campuses, as well as other health facilities, and is based in Pennsylvania. BlackCat The...

Gcore Thwarts Massive 650 Gbps DDoS Attack on Free Plan Client

At the beginning of January, Gcore faced an incident involving several L3/L4 DDoS attacks with a peak volume of 650 Gbps. Attackers exploited over 2000 servers belonging to one of the top three cloud providers worldwide and targeted a client who was using a free CDN plan. However, due to Gcore's...

K97810133: BIND vulnerability CVE-2020-8616

Security Advisory Description A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an...

K23278332: A DNS over TCP packet is not rate-limited accurately using the single-endpoint DoS device flood vector

Security Advisory Description This issue occurs when all of the following conditions are met: Setting the correct DNS packet type in the denial-of-service DoS device sweep or flood vector. Matching traffic sends DNS over TCP. Impact The mitigation for DNS over TCP packets is not working as expect...

Imperva releases its Global DDoS Threat Landscape Report 2023

The 2023 Imperva Global DDoS Threat Landscape Report reviews DDoS attack activity throughout 2022, provides insights into the year’s most noteworthy DDoS events, and offers recommendations for the year ahead. While the report focuses mainly on research data from the application and network DDoS...

K42406850: F5 SIRT response to the Ukraine crisis

Security Advisory Description Over the past few weeks, the world has watched as tensions have risen between Russia and Ukraine, and most recently, those tensions have escalated into a military conflict. F5 is deeply concerned for the safety of those in harm's way and the impact to everyone affect...