ALT Cisco graphic for Day 15 of the 30-Day Cybersecurity Challenge. Headline: \u201CWhy You Should Learn Splunk in 2026.\u201D Supporting text: \u201CLearn why Splunk skills matter across firewalls, endpoints, and cloud.\u201D Includes #30DaysofCybersecurity, the Cisco logo, and a blue line-art cyber creature.
ALT Cisco graphic for Day 13 of the 30-Day Cybersecurity Challenge. Header reads \u201CDay 13: Wireless & Mobile.\u201D Main title: \u201CEndpoint Security | Module 1.\u201D Task: \u201CStudy wireless and mobile attacks and audit your network.\u201D Hashtag #30DaysofCybersecurity. Cisco logo in the top left; blue line-art cyber creature in the top right.
ALT Cisco graphic for Day 10 of the 30-Day Cybersecurity Challenge. Header reads \u201CDay 10: Endpoint Security.\u201D Main title: \u201CEndpoint Security | Module 1.\u201D Task: \u201CEndpoints are prime targets\u2014learn to defend them.\u201D Hashtag #30DaysofCybersecurity. Cisco logo in the top left; blue line-art cyber creature in the top right.
ALT Cisco graphic for Day 8 of the 30-Day Cybersecurity Challenge. Header reads \u201CDay 8: Network Security 101.\u201D Main title: \u201CEndpoint Security | Module 6.\u201D Task: \u201CFirewalls, VPNs, segmentation: learn how networks are defended.\u201D Hashtag #30DaysofCybersecurity. Cisco logo in the top left; blue line-art cyber creature in the top right.
ALT Cisco graphic for Day 2 of the 30-Day Cybersecurity Challenge. Header reads \u201CDay 2: Threats & Attack Types.\u201D Main title: \u201CIntroduction to Cybersecurity | Module 2.\u201D Task: \u201CIdentify a phishing email and list its red flags.\u201D Hashtag #30DaysofCybersecurity. Cisco logo in the top left; blue line-art cyber creature in the top right.\n\n
ALT Graphic includes light blue gradient background and line art monster. Cisco logo. Day 1: Why Cybersecurity. Introduction to Cybersecurity | Module 1. Complete Module 1 and note three surprising threats. #30DaysofCybersecurity\n30-Day Cybersecurity Challenge
ALT Blue graphic with Cisco logo. Get CCNA ready for 40% less. Official CCNA training, practice exam, and exam voucher-now 40% off. Shop now. Offer ends October 3, 2026, at 11:59 p.m. PT.
ALT A cinematic shot of a person free-diving underwater alongside a large humpback whale in deep blue water. The text overlay reads, \"The many worlds of Amy Chang\" and \"Swipe \u2192\".
ALT A collage of personal photographs and vintage concert tickets from the year 2000. An overlaid quote reads, \"I decided I wanted to be one of those people in one of those seats, but to do it differently.\"
ALT A close-up of a woman with glasses speaking at a conference or panel discussion, captured mid-gesture. The text overlay reads, \"I want people from a wide variety of backgrounds and perspectives to feel it is OK to say what they\u2019re thinking.\"
ALT An underwater view of a person reaching out toward the fin of a large whale. The text overlay reads, \"Learn more at storylab.cisco.com.\"
ALT Cisco Certified CCNA emblem atop image of a women with dark hair in business casual dress holding a closed laptop.