Earning a Cisco Certified Network Associate (CCNA) Security certification demonstrates that you have the specialized knowledge needed to secure Cisco networks. Join Lisa Bock as she prepares you to tackle the Security Concepts portion of the CCNA Security exam 210-260, Implementing Cisco Network Security. In this course Lisa covers essential security terms, and discusses common security threats such as active and passive attacks, social engineering, and malware. She reviews cryptographic techniques such as encryption and digital signatures, and describes various network topologies such as campus area networks, wide area networks, and data centers.