ࡱ> 4( '(/ 0DArialngsRo 8D 5| )0Y 0DTimes New Roman 5| )0Y 0 DWingdingsRoman 5| )0Y 0 `0.  @n?" dd@  @@``    w****21// ..5    HH,,  )* d ` J     75 0 0AA@8!-".e5 ʚ;k8ʚ;g4MdMd )0ppp@  <4ddddy 0D<4BdBdy 0D<4!d!dy 0D80___PPT10 ?  %O  =#),An Overview of Online Security For Libraries!Protect, Contain Prevent, Detect0 How Are Public Libraries Unique?!!#tSmall budgets, small staffs Open Source vs. Commercial Access vs. Security Accountability vs. Privacy Public PCs ZZZZZZZ ZZ > 2 Threat AssessmentWhat do libraries have that attackers want? What illegal activities are taking place? Phishing  theft of personal information Checking account theft Credit card theft Fraudulent orders Spamming Fraudulent advertising (your PC may already be infected) Extortion/Denial of Service attacks Libraries can be the launching pad for these attacks. Libraries provide cover for attackers \VZZ6Z'ZV6'3 Attack MethodsXEmail attachments Browser scripts Netbios traffic Social engineering Worms Trojans $XPPY*Library System Resources$4 Firewalls and VPNsStateless Cannot identify related traffic Simple and fast Stateful Tracks source and destination addresses and ports Uses more resources than stateless  1 U 1 U 5 2Firewalls and VPNs, cont NFirewall products PIX Netscreen Watchguard Sonic Wall IP Tables/NetFilter ICF &==6 2Firewalls and VPNs, cont ^Price determined by features Fail over Redundancy Number of adapters Processor speed Memory Z?@ 72Firewalls and VPNs, cont aInternet Firewall Heavy traffic Screening Router Blocks anomalous traffic from internet firewall X01>82Firewalls and VPNs, cont DMZ (Demilitarized Zone) Term from Korean War 38th Parallel External and Internal Firewall One firewall with 3 adapters External Internal DMZ Public Systems and VPN located here d_%F% @?2Firewalls and VPNs, cont VPN Offload firewalls Control remote access to sensitive systems Same manufacturers as for firewalls Often combined with firewalls (not recommended) Place behind internet firewall : A9Vulnerability AssessmentNmap Port scanner Very easy-to-use Excellent tool for testing the effectiveness of your firewall and workstation security Identifies open ports, OS signature Can spoof the source IP address It is being used against you. &:<Vulnerability Assessment cont $tNessus Best-in-class Open Source tool Pluses Test firewall and system vulnerabilities Will check for registry problems Very thorough Keeps an assessment history Minuses Heavy scans can crash systems False positives  each one must be examined Must be kept up-to-date Get written permission before running this toolZ&ZtZZbZ0Z&tb0;Intrusion DetectionnSnort Best-in-class Open Source tool Prevent if possible, detect always Detect reconnaissance intrusion attempts Logging of successful breaches Difficult to tune  false positives Sensor placement Outside screening firewall Inside screening firewall DMZ Inside internet firewall Other protected network segmentsvZBZHZ5ZsZBH5s  C<2Intrusion Detection cont  IPS (Intrusion Prevention Systems) IDS systems placed in-line with blocking and packet drop capability Supported by current beta version of Snort Available from commercial vendors now False positives a problem NMAP spoofed scans:$$B,Workstation SecurityAnti-virus software Pop-up blocker (disable messenger service) Workstation patches Browser alternatives  Firefox ICF  Internet Connection Firewall Lock-down software (Fortress) Imaging software (Ghost) -Wireless Considerations<Split patron/staff access Firewalls between your access points and your network Encrypt staff traffic Very easy-to-sniff wireless traffic and capture passwords Ethereal Dsniff Ettercap WEP (wired equivalent privacy) crackers Airsnort WEPcrack WPA (Wi-Fi protected access) Not available on inexpensive access points ZZ(ZZZ+ZZZ(+.Email ConsiderationsSeparate the SMTP function from your email server Virus scrubber Spam filter Optionally  remove attachments (.com, .exe) +RFID Solutions/RFID Implementation1Future Considerations> Evolving Tag Standards  ISO 18000-3 High speed data transfer Large number of tags at once Better security NSIP Promise of full library-system functionality z&F-&F- =Links?Nessus - http://www.nessus.org Retina - http://www.eeye.com/html/products/retina/ Snort - http://www.snort.org Netfilter - http://www.netfilter.org ICF - http://www.securityfocus.com/infocus/1620 RFID privacy - http://www.cs.berkeley.edu/~dmolnar/lacasis.ppt RFID - http://www.cs.berkeley.edu/~dmolnar/library.pdf@P  ) )/ 0 ` Ot{h______` M <ff33̙3` +ffO=ff̙H7` fff3f̙` Tff33ff` 0Ky{kOz` )R{f` GiIfff̙fR` ̙|̙3f` 3ff~>?" dd@'?lFd@  nK'o`P( n?" dd@   @@``PT     o (`0p>> '((  ZB  c $D"`   6m "M }  X Click to edit Master title style!!  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