HW1 - CMSC 426 Due Date: 2/18/19 Submit as a PDF, on Blackboard. 1. Read up on something called “Next Generation Firewall”. Write about 400 words on the technical details. 2. How is “Next Generation...

Answer the 6 questions and reach the word limits needed if given.


HW1 - CMSC 426 Due Date: 2/18/19 Submit as a PDF, on Blackboard. 1. Read up on something called “Next Generation Firewall”. Write about 400 words on the technical details. 2. How is “Next Generation Firewall” different from a traditional firewall? Max 100 words. 3. Name 5 products that are out there that can be classified as “Next Generation Firewall”. 4. BIBA integrity model​ was developed in 1975, is sometimes called the ‘dual’ of Bell–LaPadula model​ (we discussed this in class). How is BIBA different form Bell-LaPadula? Max 100 words. 5. Consider a 4 level security clearance model - Top Secret, Secret, Classified, Unclassified. Assign 1 human and 1 object to each level. Who will be able to read and write to what object using the BIBA model? 6. Now imagine you get hired as a security analyst, for a data science company. The company maintains a data store of it’s clients. This data can be accessed using a service from the intranet and the internet, by employees (intranet) and clients (internet). Figure out various important elements in this setup and create a Data Flow Diagram. Identify various threats using STRIDE. Rate these threats and provide some standard mitigation strategies. Provide explanation wherever you feel necessary. https://en.wikipedia.org/wiki/Biba_Model https://en.wikipedia.org/wiki/Bell%E2%80%93LaPadula_model