Cyber Defense Advisors

Year: 2023

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  • January 29, 2023

ISC Releases Security Patches for New BIND DNS Software Vulnerabilities

The Internet Systems Consortium (ISC) has released patches to address multiple security vulnerabilities in the Berkeley Internet Name Domain (BIND) 9 Domain Name System (DNS) software suite that could lead to a denial-of-service (DoS) condition. “A remote attacker could exploit these vulnerabilities to potentially cause denial-of-service conditions and system failures,” the U.S. Cybersecurity

Cyber News, Cyber Threat Trends
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  • January 29, 2023

Eliminating SaaS Shadow IT is Now Available via a Self-Service Product, Free of Charge

The use of software as a service (SaaS) is experiencing rapid growth and shows no signs of slowing down. Its decentralized and easy-to-use nature is beneficial for increasing employee productivity, but it also poses many security and IT challenges. Keeping track of all the SaaS applications that have been granted access to an organization’s data […]

Cyber News, Cyber Threat Trends
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  • January 29, 2023

Microsoft Urges Customers to Secure On-Premises Exchange Servers

Microsoft is urging customers to keep their Exchange servers updated as well as take steps to bolster the environment, such as enabling Windows Extended Protection and configuring certificate-based signing of PowerShell serialization payloads. “Attackers looking to exploit unpatched Exchange servers are not going to go away,” the tech giant’s Exchange Team said in a post. “There are too many

Cyber News, Cyber Threat Trends
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  • January 29, 2023

Mitigating CreateUser Privilege Escalation and Back Doors

ACM.143 Preventing an attacker from creating a backdoor user in your cloud account This is a continuation of my series on Automating Cybersecurity Metrics. I have been thinking about the CreateUser escalation problem I wrote about for days. Attackers get ahold of credentials and create back door users in cloud accounts to maintain persistent access. In […]

Cyber News, Cyber Threat Trends
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  • January 29, 2023

Gootkit Malware Continues to Evolve with New Components and Obfuscations

The threat actors associated with the Gootkit malware have made “notable changes” to their toolset, adding new components and obfuscations to their infection chains. Google-owned Mandiant is monitoring the activity cluster under the moniker UNC2565, noting that the usage of the malware is “exclusive to this group.” Gootkit, also called Gootloader, is spread through compromised websites that

Cyber News, Cyber Threat Trends
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  • January 29, 2023

RDP on Ubuntu AWS EC2 Instance

Experimenting with Ubuntu on AWS Continue reading on Cloud Security »

Cyber News, Cyber Threat Trends
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  • January 29, 2023

Counting Unique Users on a Web Site

Fooled by the proxy When you are counting unique users visiting a web site you cannot base it on IP address. Why? Because large companies have users behind a proxy a lot of times and all the traffic will come from one IP address. There are numerous other users and internal IP addresses behind that proxy. So for […]

Cyber News, Cyber Threat Trends
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  • January 29, 2023

What are AWS’s Security Responsibilities, Anyway?

ACM.144 A deeper dive into the shared responsibility model Continue reading on Cloud Security »

Cyber News, Cyber Threat Trends

Friday Squid Blogging: Squid-Inspired Hydrogel

Scientists have created a hydrogel “using squid mantle and creative chemistry.” As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Read my blog posting guidelines here.

Cyber News, Cyber Threat Trends