Blog

Scenario-Based Training:  Creating a Hands-On Course for Network & Security Operators 

Over the past year and a half, we have created content and held training events for Network and Security Operators.  We call our events “Scenario-Based Training” because we provide the participants with situations related to a security or network incident. We have found that feedback for this type of training tends to be much more positive than vendor/product specific training because participants are able to use all the…

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Understanding PCI DSS and the Importance of Compliance

The Payment Card Industry Data Security Standard (PCI DSS) was originally established in 2004 as a standardization of security practices for any organization that handles or uses payment collection via credit cards. This standardization is required by all major credit card carriers and is regulated by the Payment Card Security Standards Council (PCI SSC). This…

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Defensive Cyber Operations: Ground Zeroes

In an era plagued by thieves, criminals, and script kiddies, the need for securing information has increased exponentially. The market is teeming with products that are advertised to adequately secure your systems, data stores, sensitive information, etc. independently or in tandem with a bevy of other products. In the modern business world, global, interconnected networks…

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CMMI SVC Level 3 Appraisal

SealingTech recently went through a CMMI Level 3 appraisal for Services. If you’ve never heard of CMMI, it stands for Capability Maturity Model Integration and Level 3 is one of five “Maturity Levels” in the CMMI model, known as the “Defined” level. Essentially, all of our company processes and procedures were reviewed for each of…

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Cloud Security (Part 1): Passive Security Monitoring in RackSpace

This is Part 1 of our “Cloud Security” series, with a goal of setting up a simple passive security monitoring capability in the cloud. Future posts will show how to enable out-of-band management, as well as setting up the monitoring services themselves. Enjoy!

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SANS 2018 Holiday Hack Challenge

Here at SealingTech we are proud to have a team of engineers who are constantly challenging themselves and each other at work and in their free time! You may recall several other challenges we have blogged about such as Kevin’s work on the IXIA Breaking Point Network Profiles challenge, or Scott and Tony’s solutions for the Cloudshark Halloween PCAP…

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Trick or Treat: Halloween PCAP Challenge from Cloudshark

TL;DR During Halloween, a company called Cloudshark released a Packet Capture challenge that involved finding hidden “pumpkins” that were hidden in packets. Two SealingTech employees, Tony Efantis and Scott Lohin, participated in the challenge and found all five pumpkins. This challenge was a lot of fun, and we thank Cloudshark for creating it for the…

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How to Script Large Ixia Breaking Point Network Profiles

Background My team at SealingTech was tasked with testing the performance of a router that would be a tunnel endpoint for many different Site to Site VPN connections from various places. We were given requirements that it needed to support thousands of tunnels and VRFs and lots of bandwidth (upwards of 20 Gb/s). We had…

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SR-IOV and Promiscuous Mode

For the past year, SealingTech’s Innovation Team has been working on an open source side-project called Expandable Defensive Cyber Operations Platform (EDCOP), with the goal of building a highly scalable containerized network security platform. I always tell people that if they want to try it on hardware, they need to get an Intel X710 or…

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Cisco Live! 2018 – Orlando, FL

I am fortunate to work for a company that truly believes in continuing education for all it’s employees (one of the many perks of working at SealingTech). Each employee gets a set amount to spend to further their education. While some choose the collegiate path, I have chosen the certification path where I have gone…

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