• Leveraging AWS Trusted Advisor for Security and Compliance

    March 28, 2019, AJ Yawn, Principal, SOC Practice, Coalfire

    The benefits of undergoing mandatory or voluntary cybersecurity compliance assessments are well known throughout the cybersecurity industry. These benefits include improving the security posture of the organization, enabling sales to move faster through the sales lifecycle, addressing regulatory compliance requirements, and many more. Despite the benefits, compliance assessments can be labor intensive and painful. This pain is often due to the complexities associated with understanding the security posture of the environment being assessed as well as collecting this information in a timely and efficient manner. Amazon Web Services (AWS) offers a number of services that provide flexibility, scalability, and reliability in the cloud. AWS also offers services to assist cybersecurity professionals with understanding their security environment and demonstrating compliance to auditors to ease the pain of cybersecurity assessments. One of those services is AWS Trusted Advisor, which provides real-time best practice guidance to help provision, monitor, and maintain AWS resources. These best practice recommendations span five categories: cost optimization, performance, security, fault tolerance, and service limits.

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  • High-Power Hash Cracking with NPK

    March 21, 2019, Brad Woodward, Director, Coalfire Labs

    Password hashes are an everyday part of life in Coalfire Labs. Barring any other low-hanging fruit, it’s not uncommon for a penetration test to hinge on recovering a plaintext password from one of these hashes. Whether it’s NTLM hashes from Active Directory, NetNTLMv2 from Responder, WPA2 PMK from a wireless penetration test, or hundreds of other possible sources of hashes, recovering the original password has been a challenge for hackers for decades.

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  • Observations from RSA Conference, 2019

    March 18, 2019, Bob Post, Senior Practice Director, Cyber Risk Advisory, Coalfire

    Last week, the 2019 RSA Conference was held with typical energy and exuberance in San Francisco. One of the largest cybersecurity industry conferences, it had over 700 exhibiting vendors (not including another 50 in their Early Stage Expo area) and over 500 sessions covering a wide range of current topics in the cybersecurity field. Keynote speakers included industry leaders and government officials such as Christopher Wray, Director of the FBI, and General Paul Nakasone, Commander of US Cyber Command and Director of the NSA.

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  • “Password Spraying”—What to Do and How to Avoid It

    March 15, 2019, Bob Post, Senior Practice Director, Cyber Risk Advisory, Coalfire

    Cyber breaches aren’t the only hot topic in the cyber media—sometimes the attack tactics themselves can claim the limelight when a significant breach gains media attention. One tactic getting some attention in the news is “password spraying.” We offer an overview of what it is, how to avoid it, and what to do if you think you were affected by an attack below; but note that a strong overall cybersecurity posture and adherence to best practices are always the best defense across the range of attack vectors, whether they are in the news or not!

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  • Update to Microsoft Checks

    March 14, 2019, Travis Finn, Consultant, CoalfireOne Scanning Services

    Part of the glamorous life of an ASV involves a rigorous Quality Assurance program to ensure that we are the best ASV's we can possibly be. Some of those efforts are not as readily apparent to our clients as others; but on some occasions, we like to share when our work directly benefits those who trust Coalfire to help reduce their risk and simplify compliance.

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