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Zyxel warns that a ransomware group has been observed exploiting a recently patched command injection issue in its firewalls. Zyxel warns that a ransomware gang has been observed exploiting a recently patched command injection vulnerability, tracked as CVE-2024-42057, in its firewalls for initial compromise.
has charged a Chinese national for hacking thousands of Sophos firewall devices worldwide in 2020. has charged the Chinese national Guan Tianfeng (aka gbigmao and gxiaomao) for hacking thousands of Sophos firewall devices worldwide in 2020. Sophos) an information technology company that develops and markets cybersecurity products.”
Sophos used custom implants to monitor China-linked thret actors targeting firewall zero-days in a years-long battle. Sophos, with the help of other cybersecurity firms, government, and law enforcement agencies investigated the cyber attacks and attributed them multiple China-linked APT groups, such as Volt Typhoon , APT31 and APT41 / Winnti.
Related: Ransomware remains a scourge The former has been accused of placing hidden backdoors in the firmware of equipment distributed to smaller telecom companies all across the U.S. These happen to represent two prime examples of cyber attack vectors that continue to get largely overlooked by traditional cybersecurity defenses.
Peripheral devices with unsigned firmware can expose Windows and Linux machines to hack, warn experts from firmware security firm Eclypsium. An attacker could exploit the lack of checks to execute malicious firmware and perform malicious actions on both Windows and Linux systems, such as the installation of persistent backdoors.
Networking equipment giant Zyxel warns customers of a series of attacks that have been targeting some of its enterprise firewall and VPN devices. Networking equipment vendor Zyxel warned its customers of a series of attacks that have been targeting some of its enterprise firewall and VPN server solutions. Pierluigi Paganini.
Cybersecurity and Infrastructure Security Agency (CISA) adds SonicWall SonicOS and Palo Alto PAN-OS vulnerabilities to its Known Exploited Vulnerabilities catalog. Cybersecurity and Infrastructure Security Agency (CISA) added Apple iOS and iPadOS and Mitel SIP Phones vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog.
Keep an eye out for security announcements from your firewall vendors; it’s possible additional similar vulnerabilities will come to light. The problem: Juniper Networks released a bulletin about a remote code execution vulnerability in its SRX firewalls and EX switches. This vulnerability is tracked as CVE-2024-21591.
Firewalls monitor and control incoming and outgoing traffic while also preventing unauthorized access. Overlapping rules may impair firewall efficiency or expose flaws that allow attackers to circumvent regulations. Choose a centralized platform that is interoperable with several firewall suppliers.
Researchers at RandoriSec have found serious vulnerabilities in the firmware provided by UDP Technology to Geutebrück and many other IP camera vendors. According to the researchers the firmware supplier UDP Technology fails to respond to their reports despite numerous mails and LinkedIn messages. History lessons. Mitigation.
From zombie botnets to phishing phantoms, these threats might sound like campfire tales, but they're some of the most sinister forces in cybersecurity today. Warding off zombies : Regularly update device firmware, patch IoT devices, and monitor for unusual traffic patterns. Spooky fact : Sophos says the average ransom in 2024 is $2.73
A firewall audit is a procedure for reviewing and reconfiguring firewalls as needed so they still suit your organization’s security goals. Auditing your firewall is one of the most important steps to ensuring it’s still equipped to protect the perimeter of your business’ network.
Zyxel addressed a critical flaw affecting Zyxel firewall devices that allows unauthenticated, remote attackers to gain arbitrary code execution. affecting Zyxel firewall devices that enables unauthenticated and remote attackers to gain arbitrary code execution as the “nobody” user. Commands are executed as the nobody user.”
Cybersecurity and Infrastructure Security Agency (CISA) adds ProjectSend, North Grid Proself, and Zyxel firewalls bugs to its Known Exploited Vulnerabilities catalog. The vulnerability CVE-2024-11667 is a directory traversal flaw in Zyxel firmware (V5.00–V5.38)
SonicWall that offers next generation firewalls and various Cybersecurity solutions has announced that its customers using certain products are at a risk of being cyber attacked with ransomware. x firmware is going to reach its EOL aka End of Life. x firmware is going to reach its EOL aka End of Life.
US Critical Infrastructure Security Agency (CISA) adds critical CVE-2022-30525 RCE flaw in Zyxel Firewalls to its Known Exploited Vulnerabilities Catalog. affecting Zyxel firewall devices that enables unauthenticated and remote attackers to gain arbitrary code execution as the “nobody” user. Commands are executed as the nobody user.”
What is the EU Cybersecurity Certification Scheme? The EU Cybersecurity Certification Scheme is designed to simplify and harmonize cybersecurity certifications across the EU. How Does It Differ from Pre-existing Systems?
With the largest concentration of cybersecurity expertise –– the “oil” — in the world, Maryland is fast changing from the Old Line State into “Cybersecurity Valley.” The foundation of Silicon Valley was set, and today comparable technology development pieces are being laid in Maryland on the cybersecurity front.
Researchers from the industrial cybersecurity company Claroty discovered a total of seven flaws with the iBoot-PDU product, including one that might have allowed a remote, unauthenticated attacker to execute arbitrary code. The vendor has released firmware version 1.42.06162022 to address the problem.
According to a joint security advisory published yesterday by US and UK cybersecurity and law enforcement agencies, a new malware called Cyclops Blink has surfaced to replace the VPNFilter malware attributed to the Sandworm group, which has always been seen as a Russian state-sponsored group. Cyclops Blink. Mitigation and detection.
Having a full device config including all firewall rules is a lot of information. If you are in scope, may need to change device credentials and assess risk of firewall rules being publicly available. The outlier device appears to have a pre-production version of firmware 7.2.2, Somebody just released them.
Setting up a firewall is the first step in securing your network. A successful firewall setup and deployment requires careful design, implementation, and maintenance to effectively improve your network integrity and data security. Verify that the chosen firewall can meet your security standards and functions.
Cybersecurity and Infrastructure Security Agency (CISA) published an advisory to warn of a vulnerability, tracked as CVE-2024-7029 (CVSS base score of 8.8), in Avtech camera that has been exploited in the wild. ” The vulnerability impacts Avtech AVM1203 IP cameras running firmware versions FullImg-1023-1007-1011-1009 and prior. .”
Exploitation of these vulnerabilities could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on the affected Zyxell firewalls. Patch 1, USG FLEX series firmware versions 4.50 Patch 1, USG FLEX 50(W) firmware versions 4.25 Patch 1, USG20(W)-VPN firmware versions 4.25
The 2023 vendor surveys arriving this quarter paint a picture of a cybersecurity landscape under attack, with priority issues affecting deployment, alert response, and exposed vulnerabilities. This article details two major findings from the report: five major cybersecurity threats and prioritization problems.
UK and US cybersecurity agencies linked Cyclops Blink malware to Russia’s Sandworm APT. US and UK cybersecurity and law enforcement agencies published a joint security advisory about a new malware, dubbed Cyclops Blink, that has been linked to the Russian-backed Sandworm APT group.
That may be because the patches were included in version 4 of the firmware for the EAS devices, and many older models apparently do not support the new software. “We also provided attribution for the researcher’s responsible disclosure, allowing us to rectify the matters before making any public statements. .”
government agency in charge of improving the nation’s cybersecurity posture is ordering all federal agencies to take new measures to restrict access to Internet-exposed networking equipment. The directive comes amid a surge in attacks targeting previously unknown vulnerabilities in widely used security and networking appliances.
The Cybersecurity and Infrastructure Security Agency (CISA) has added two more vulnerabilities to its list of actively exploited bugs, a code injection bug in the Spring Cloud Gateway library and a command injection flaw in Zyxel firmware for business firewalls and VPN devices. [.].
. “Successful exploitation of this vulnerability could cause a denial-of-service condition, and a buffer overflow may allow remote code execution,” reads the advisory published by the US cybersecurity and infrastructure agency (CISA). This would leave many running in the wild still today.” ” continues the report.
Small and mid-sized enterprises (SMEs) are increasingly at risk of cyber-attacks, and often serve as a launch pad for larger threat campaigns, according to Cisco’s 2018 SMB Cybersecurity Report. Humans remain the biggest and most common cybersecurity threat to businesses of all sizes. Lack of Cybersecurity Knowledge.
Every IT environment and cybersecurity strategy has vulnerabilities. Other vulnerabilities cannot be patched and will require coordination between IT, cybersecurity, and app developers to protect those exposed vulnerabilities with additional resources that mitigate, or reduce, the risk of exploitation. How to Find Vulnerabilities.
“A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This vulnerability affected SonicOS Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v v and Gen 7 version 7.0.0.0.” 4n and earlier SonicOS 6.0.5.3-93o
It’s safe to say that the volume and magnitude of high-profile data breaches and ransomware attacks that punctuated 2019 really kept the cybersecurity industry on its toes. We’ve analyzed the current state of the industry and packaged up our top five cybersecurity predictions for 2020. In comparison to last year, research.
Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance for increasing the security of virtual private network (VPN) solutions. This is essential for ensuring a network’s cybersecurity.” This direct access makes them prized targets for malicious actors.
Cybersecurity experts at CyberNews hijacked close to 28,000 unsecured printers worldwide and forced them to print out a guide on printer security. Use a firewall. Update your printer firmware to the latest version. Original post: [link]. Not so much. Why printer security is important.
On March 17, 2022, the Cybersecurity & Infrastructure Security Agency (CISA) published an al e rt in conjunction with the Federal Bureau of Investigation (FBI) which warned of possible threats to US and international satellite communication (SATCOM) networks. Stay safe, everyone!
To avoid further exploitation, impacted organizations should implement incident response policies and consult with cybersecurity specialists. ” To reduce risks, replace unsupported equipment, apply available firmware updates, and keep an accurate IT asset inventory. All impacted models must be updated to version 7.00
Industrial switches are made using universal firmware developed by Korenix Technology, a leading provider for industrial networking solutions based in Taiwan. Korenix has developed another firmware that the organization incorporates in its JetNet industrial switches. Malicious firmware and bootloader uploads are possible too.
The Barracuda SecureEdge SASE product builds off the well established Barracuda security products (firewalls, gateways, email security, and more) that already protect so many global companies. When compared against other SASE competitors, Barracuda SecureEdge can be considered one of the best options to protect remote users.
In the ever-evolving landscape of cybersecurity threats, the discovery of serious vulnerabilities can send shockwaves through the digital world. Cybersecurity firm Mandiant undertook extensive investigations into the Citrix Bleed exploitation. Follow SecureWorld News for more stories related to cybersecurity.
The Federal Bureau of Investigation (FBI), National Security Agency (NSA), US Cyber Command, and international partners released a joint Cybersecurity Advisory (CSA) to warn that Russia-linked threat actors are using compromised Ubiquiti EdgeRouters (EdgeRouters) to evade detection in cyber operations worldwide.
OT systems often come as closed systems with firmware and software installed by a supplier. In practice, however, air-gapping an OT system or firewalling its protected network is only the beginning of hardening its overall security. They are often unknown and dynamic, and, with OT systems firewalls dissolving, coming from more places.
Cybersecurity & Infrastructure Security Agency (CISA) warns of flaws in GE Power Management Devices that could allow an attacker to conduct multiple malicious activities on vulnerable systems. Locate control system networks and remote devices behind firewalls, and isolate them from the business network.
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