In our rapidly evolving digital environment, cybersecurity misconfigurations pose significant threats to organizations of all sizes. Misconfigurations can expose systemic weaknesses and make organizations vulnerable to cyber attacks. In this episode, we will review a report from the NSA and CISA highlighting some of the most common misconfigurations that need to be addressed.
In this episode:
Top 10 Cybersecurity Misconfigurations – Ep 431
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HIPAA Briefs
[03:44] Why doesn’t the security rule tell me exactly what to do?HIPAA guidelines give you what needs to be accomplished by allowing organizations to be flexible in their approach to achieving the requirements. Not all healthcare organizations are created equal. A doctor’s office and a major medical center are very different entities. Both should evaluate the HIPAA rules and decide what is reasonable and appropriate for them to meet the guidelines based on its size and complexity.
And of course to determine what security safeguards you should put in place to protect your organization and data, you need to do a risk analysis and create a risk management plan. That will help you determine what needs to be protected and how you can implement the appropriate security measures and comply with the HIPAA rules.
Top 10 Cybersecurity Misconfigurations
[08:06] NSA and CISA released an advisory in early October 2023 highlighting the most common cybersecurity misconfigurations found in large organizations during their red team, blue team exercises. Misconfigurations are a big problem. It could be anything from somebody who didn’t configure something properly to something was turned off and wasn’t turned back on or vice versa or even having shadow IT issues.NSA and CISA Red and Blue Teams Share Top Ten Cybersecurity Misconfigurations
NSA and CISA developed red teams (attackers) and blue teams (defenders). These teams are put on either side of a large network. The red team is finding vulnerabilities everywhere they can and attacking. The blue team is trying to stop the red team. Needless to say, they are finding very common security issues on the larger networks. So, if these common issues are found on the large networks, odds are small and medium sized networks have the same issues.
[12:42] The following are the 10 most common network misconfigurations, as identified in the NSA and CISA Red and Blue team assessments, as well as through the activities of NSA and CISA Hunt and Incident Response teams:- Default configurations of software and applications – Review your critical applications and evaluate their security settings. These are the applications you are putting all of your important data in.
- [20:30] Improper separation of user/administrator privilege – A user’s account should be set up with only the privileges necessary to do their job, just like HIPAA’s minimum users and disclosures.
- Insufficient internal network monitoring – Most applications create logs that can be monitored or have monitoring services included, but there has to be someone who is monitoring the monitoring.
- Lack of network segmentation – All networks should have segmentation to reduce the risk of cross contamination. Set boundaries for different types of traffic.
- [31:04] Poor patch management – Software patches are released constantly. You can assume that it’s working perfectly and automatically. You have to check it.
- Bypass of system access controls – This one is complicated, but evaluating what systems are communicating with other systems and whether they should be doing so is important.
- Weak or misconfigured multifactor authentication (MFA) methods – Evaluate the methods you are using for MFA and opt for more secure methods.
- Insufficient access control lists (ACLs) on network shares and services – Lock down your shared services to allow only those who need access to them.
- [39:36] Poor credential hygiene – Longer, strong passwords are a must, but are still a problem.
- Unrestricted code execution – This can be complicated, but programs that run on the network should be evaluated for malicious payloads that can wreak havoc on your network.
- Properly trained, staffed, and funded network security teams can implement the known mitigations for these weaknesses.
- Software manufacturers must reduce the prevalence of these misconfigurations—thus strengthening the security posture for customers—by incorporating secure-by-design and -default principles and tactics into their software development practices.[1]
Malicious attackers use these common misconfigurations to gain access to and compromise networks. Implement mitigations to the issues described above to protect your network and its confidential and sensitive information.
It’s like they say: Learn from the mistakes of others. You can’t live long enough to make them all yourself.
Implementing a security framework is important for safeguarding a business network in today’s digital landscape. Security threats are constantly evolving, and businesses are prime targets for cyberattacks that can lead to data breaches, financial losses, and damage to their reputation. A security framework can provide a comprehensive and adaptable set of guidelines and best practices that help organizations identify, protect, detect, respond to, and recover from cybersecurity risks and incidents. By adhering to NIST standards, businesses can establish a robust security posture, reduce vulnerabilities, and ensure compliance with regulatory requirements.
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