- SonicWall firewall maker hacked using zero-day in its VPN device
January 23, 2021
Security hardware manufacturer SonicWall has issued an urgent security notice about threat actors exploiting a zero-day vulnerability in their VPN products to perform attacks on their internal systems. SonicWall is a well-known manufacturer of hardware firewall devices, VPN gateways, and network security solutions whose products are commonly used in SMB/SME and large enterprise organizations. On Friday night, ...
- Network Attack Trends: Internet of Threats
January 22, 2021
Unit 42 researchers observed interesting attack trends from August-October 2020. Despite a surge in scanner activities and HTTP directory traversal exploitation attempts, CVE-2012-2311 and CVE-2012-1823, which were the most commonly exploited vulnerabilities in the wild in early summer 2020, are no longer at the top of that list. Several new critical exploits, including but not ...
- NSA urges system administrators to replace obsolete TLS protocols
January 20, 2021
The US National Security Agency has issued a security advisory this month urging system administrators in federal agencies and beyond to stop using old and obsolete TLS protocols. “NSA recommends that only TLS 1.2 or TLS 1.3 be used; and that SSL 2.0, SSL 3.0, TLS 1.0, and TLS 1.1 not be used,” the agency ...
- VPNFilter Two Years Later: Routers Still Compromised
January 19, 2021
With the internet of things (IoT) gaining more popularity, common IoT devices such as routers, printers, cameras, and network-attached storage (NAS) devices, are becoming more frequent targets for cybercriminals. Unlike typical operating systems such as Windows and macOS, users are less likely to patch IoT devices. This is because users find the task more difficult and ...
- DNSpooq bugs let attackers hijack DNS on millions of devices
January 19, 2021
Israel-based security consultancy firm JSOF disclosed today seven Dnsmasq vulnerabilities, collectively known as DNSpooq, that can be exploited to launch DNS cache poisoning, remote code execution, and denial-of-service attacks against millions of affected devices. Dnsmasq is a popular and open-source Domain Name System (DNS) forwarding software regularly used that adds DNS caching and Dynamic Host Configuration ...
- Apple removes feature that allowed its apps to bypass macOS firewalls and VPNs
January 14, 2021
Apple has removed a controversial feature from the macOS operating system that allowed 53 of Apple’s own apps to bypass third-party firewalls, security tools, and VPN apps installed by users for their protection. Known as the ContentFilterExclusionList, the list was included in macOS 11, also known as Big Sur. The exclusion list included some of Apple’s biggest ...
- NSA Recommends How Enterprises Can Securely Adopt Encrypted DNS
January 14, 2021
The National Security Agency released a cybersecurity product, “Adopting Encrypted DNS in Enterprise Environments,” Thursday explaining the benefits and risks of adopting the encrypted domain name system (DNS) protocol, DNS over HTTPs (DoH), in enterprise environments. The release provides solutions for secure implementation based on enterprise network needs. DNS translates domain names in URLs into IP ...
- CISCO says it won’t patch 74 security bugs in older RV routers that reached EOL
January 14, 2021
Networking equipment vendor Cisco said yesterday it was not going to release firmware updates to fix 74 vulnerabilities that had been reported in its line of RV routers, which had reached end-of-life (EOL). Affected devices include Cisco Small Business RV110W, RV130, RV130W, and RV215W systems, which can be used as both routers, firewalls, and VPNs. All four ...
- Backdoor account discovered in more than 100,000 Zyxel firewalls, VPN gateways
January 2, 2021
More than 100,000 Zyxel firewalls, VPN gateways, and access point controllers contain a hardcoded admin-level backdoor account that can grant attackers root access to devices via either the SSH interface or the web administration panel. The backdoor account, discovered by a team of Dutch security researchers from Eye Control, is considered as bad as it gets ...
- The History of DNS Vulnerabilities and the Cloud
December 28, 2020
Every now and then, a new domain name system (DNS) vulnerability that puts billions of devices around the world at risk is discovered. DNS vulnerabilities are usually critical. Just imagine that you browse to your bank account website, but instead of returning the IP address of your bank website, your DNS resolver gives you the ...

