Windows Security Analysis.ppt

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Windows Security Analysis.ppt

Introduction Loughborough University http://www.lboro.ac.uk/computing/ Bandwidth Management Advisory Service / Windows Security Analysis Introduction Step-by-step Machine Compromise Preventing Attack Incident Response Further Reading Introduction Basic Security Overview Physical Security Secure Location BIOS restrictions Password Protection Boot Devices Case Locks Case Panels Security Threats Denial of Service Theft of information Modification Fabrication (Spoofing or Masquerading) Security Threats… Why a compromise can occur: Physical Security Holes Software Security Holes Incompatible Usage Security Holes Social Engineering Complacency The Easiest Security Improvement Good passwords Usernames and Passwords are the primary security defence Use a password that is easy to type to avoid ‘Shoulder Surfers’ Use the first letters from song titles, song lyrics or film quotations Can you buy Security? “This system is secure.” A product vendor might say: “This product makes your network secure.” Or: “We secure e-commerce.” Inevitably, these claims are na?ve and simplistic. They look at the security of the product, rather than the security of the system. The first questions to ask are: “Secure from whom?” and “Secure against what?” Bruce Schneier Step-by-step Machine Compromise Why, where, how? Background Reasons for Attack: Personal Issues Political Statement Financial Gain (Theft of money, information) Learning Experience DoS (Denial of Service) Support for Illegal Activity Gathering Information Companies House Internet Search URL: http://www.google.co.uk Whois URL: /cgi-bin/whois/whois A Whois query can provide: The Registrant The Domain Names Registered The Administrative, Technical and Billing Contact Record updated and created date stamps DNS Servers for the Domain Gathering Information… Use Nslookup or dig dig @dns server machine address Different query type available: A – Network address Any – All or Any Information available Mx – Mail exchange records Soa – Zon

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