US Treasury Department sanctions Iranian national accused of running the Nemesis criminal marketplace. Hunters International threatens to leak data stolen from Tata Technologies. Apple challenges U.K.’s iCloud encryption backdoor order. UK competition regulator says no investigation into Microsoft's OpenAI partnership. Stealthy malware campaign targets the UAE's aviation and satellite industry. This week on our CertByte segment, N2K’s Chris Hare is joined by Troy McMillan to break down a question targeting the Cisco Certified Network Associate (CCNA) exam. And hackers hit the books.Remember to leave us a 5-star rating and review in your favorite podcast app.Miss an episode? Sign-up for our daily intelligence roundup, Daily Briefing, and you’ll never miss a beat. And be sure to follow CyberWire Daily on LinkedIn.CertByte SegmentWelcome to CertByte! On this bi-weekly segment hosted by Chris Hare, a content developer and project management specialist at N2K. This week, Chris is joined by Troy McMillan to break down a question targeting the Cisco Certified Network Associate (CCNA) exam, 201-301, version 1.1 exam. Today’s question comes from N2K’s Cisco Certified Network Associate (CCNA 200-301) Practice Test. According to Cisco, the CCNA is the industry’s most widely recognized and respected associate-level certification. To learn more about this and other related topics under this objective, please refer to the following resource: https://learningnetwork.cisco.com/s/article/protection-techniques-nbsp-from-wardriving-attack To get the full news to knowledge experience, learn more about our N2K Pro subscription at https://thecyberwire.com/pro. Please note: The questions and answers provided here, and on our site, are not actual current or prior questions and answers from these certification publishers or providers.Additional source: https://www.cisco.com/site/us/en/learn/training-certifications/certifications/enterprise/ccna/index.htmlSelected ReadingTreasury sanctions Iranian national behind defunct Nemesis darknet marketplace (The Record)Ransomware Group Claims Attack on Tata Technologies (SecurityWeek) Apple is challenging U.K.’s iCloud encryption backdoor order (TechCrunch)UK's competition regulator says Microsoft's OpenAI partnership doesn't qualify for investigation (TechCrunch)  Call It What You Want: Threat Actor Delivers Highly Targeted Multistage Polyglot Malware (Proofpoint)Snail Mail Fail: Fake Ransom Note Campaign Preys on Fear (GuidePoint Security)Fake police call cryptocurrency investors to steal their funds (Bitdefender)Microsoft Teams tactics, malware connect Black Basta, Cactus ransomware (Bleeping Computer)  Investigator says differing names for hacker groups, hackers studying investigative methods hinders law enforcement (CyberScoop) Share your feedback.We want to ensure that you are getting the most out of the podcast. Please take a few minutes to share your thoughts with us by completing our brief listener survey as we continually work to improve the show. Want to hear your company in the show?You too can reach the most influential leaders and operators in the industry. Here’s our media kit. Contact us at cyberwire@n2k.com to request more info.The CyberWire is a production of N2K Networks, your source for strategic workforce intelligence. © N2K Networks, Inc. Learn more about your ad choices. Visit megaphone.fm/adchoices