- IZ1H9 Campaign Enhances Its Arsenal with Scores of Exploits
October 9, 2023
In September 2023, our FortiGuard Labs team observed that the IZ1H9 Mirai-based DDoS campaign has aggressively updated its arsenal of exploits. Thirteen payloads were included in this variant, including D-Link devices, Netis wireless router, Sunhillo SureLine, Geutebruck IP camera, Yealink Device Management, Zyxel devices, TP-Link Archer, Korenix Jetwave, and TOTOLINK routers. Based on the trigger counts ...
- NSA, FBI, CISA, and Japanese Partners Release Advisory on PRC-Linked Cyber Actors
September 27, 2023
Today, the U.S. National Security Agency (NSA), Federal Bureau of Investigation (FBI), and Cybersecurity and Infrastructure Security Agency (CISA), along with the Japan National Police Agency (NPA) and the Japan National Center of Incident Readiness and Strategy for Cybersecurity (NISC) released joint Cybersecurity Advisory (CSA) People’s Republic of China-Linked Cyber Actors Hide in Router Firmware. The ...
- ICS protocol coverage using Snort 3 service inspectors
September 26, 2023
With more devices on operational technology (OT) networks now getting connected to wide-reaching IT networks, it is more important than ever to have effective detection capabilities for ICS protocols. However, there are a few issues that usually arise when creating detection for ICS protocol traffic. Oftentimes, the protocols connecting these devices on modern networks originate ...
- CISA Releases Update to Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells
September 6, 2023
The Cybersecurity and Infrastructure Security Agency (CISA) has released an update to a previously published Cybersecurity Advisory (CSA), Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells. The CSA—originally released to warn network defenders of critical infrastructure organizations about threat actors exploiting CVE-2023-3519, an unauthenticated remote code execution (RCE) vulnerability affecting NetScaler (formerly Citrix) Application Delivery ...
- CISA Releases Capacity Enhancement Guide to Strengthen Agency Resilience to DDoS Attack
September 6, 2023
CISA has released actionable guidance for Federal Civilian Executive Branch (FCEB) agencies to help them evaluate and mitigate the risk of volumetric distributed denial-of-service (DDoS) attacks against their websites and related web services. The Capacity Enhancement Guide: Volumetric DDoS Against Web Services Technical Guidance: Helps agencies prioritize DDoS mitigations based on mission and reputational impact. Describes DDoS ...
- CyberDSA 2023: Forging a Resilient Digital Future Through Unprecedented Collaboration
August 16, 2023
Over 5,000 cybersecurity professionals and leaders convene to promote greater collaboration within the sector Kuala Lumpur, 16 August 2023 — The highly anticipated inaugural Cyber Digital Services Defence & Security Asia (CyberDSA) 2023 has officially commenced at the Kuala Lumpur Convention Centre, graced by the Minister of Communications and Digital, YB Fahmi Fadzil. Embracing the theme ...
- The 10th Annual Cyber Senate Control Systems Cybersecurity USA conference is coming to Nashville on the 19th and 20th of September.
August 7, 2023
This operational technology cyber security event is attended by leading Subject Matter Experts from the asset owner, technology and government sphere. This year’s focus will be on sharing collective experiences that can help organisations design and implement their transition plan to Zero Trust architecture, better manage IT and OT convergence, improve technology selection and how ...
- US officials search for hidden Chinese malware that could affect military operations
July 29, 2023
US officials are searching for Chinese malware hidden in various defense systems that could disrupt military communications and resupply operations, The New York Times reported Saturday. The administration believes malicious computer code has been hidden inside “networks controlling power grids, communications systems and water supplies that feed military bases,” officials told the Times. Read more… Source: CNN News
- Anomaly detection in certificate-based TGT requests
July 28, 2023
One of the most complex yet effective methods of gaining unauthorized access to corporate network resources is an attack using forged certificates. Attackers create such certificates to fool the Key Distribution Center (KDC) into granting access to the target company’s network. An example of such an attack is the Shadow Credentials technique, which lets an attacker ...
- DDoS Botnets Target Zyxel Vulnerability CVE-2023-28771
July 19, 2023
In June 2023, FortiGuard Labs detected the propagation of several DDoS botnets exploiting the Zyxel vulnerability (CVE-2023-28771). This vulnerability is characterized by a command injection flaw affecting multiple firewall models that could potentially allow an unauthorized attacker to execute arbitrary code by sending a specifically crafted packet to the targeted device. The severity of this flaw, ...