Operating Systems Security Issues

  • Linux Information & Security
  • Unix Information & Security
  • Window 95/98 Information & Security
  • Windows NT Information & Security
  • MAC Information & Security
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  • Also see Network Security - * Firewalls - Intrusion Detection * Secure FTP * S-HTTP & SSL * WWW Security *
  • Secure Shell Protocol (SSH) (Finland)
  • BugNet - Alerts and holes in operating systems and software.
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    Security & Related Books
    Security & Privacy Resources
    Steganography & Digital Watermarking
    Steganography Software Wiki (add your own)
    Cryptography & Encryption
    The Codebreakers
    Research in Cryptography
    Related Systems Issues
    Red Tape & White Flags
    Documents, News & Publications
    Security Newsgroups
    Security Tools & Archives
    Organizations in Security & Privacy
    Selected Bibliographies
    Other Security Links
    Neil's Page
    JJTC Home Page
    Hot Sites



    |Main Page |Security and Privacy

    Linux Security
  • Debian GNU/Linux Security Information - Public disclosure allows for more rapid and better solutions to security problems. In that vein, this page addresses Debian's status with respect to various known security holes.
  • developer.redhat.com - latest news from Red Hat's development team and get the latest bug updates.
  • Linux Errata - single best source of information, especially with respect to bugs or updates to the Red Hat Linux distribution. Maintained by RedHat.
  • Linux kernel security enhancements list - These security features are not in Linux - this is a wish list.
  • Linux-Security Archive by thread - by Sonic.net in HTML format.
  • Linux Security Mailing List Archives - by RedHat that goes back to April 1995.
  • Linux Security Home Page - by J.T. Murphy
  • Linux Security HOWTO - general overview of security issues that face the administrator of Linux systems by Kevin Fenzi and Dave Wreski.
  • Rootshell - search on "linux" for Linux specific information and you will get articles, scripts, and exploits.
  • SSH - The Secure Shell Protocol - Information about secure shell, it's implementation and use.

    • |Main Page |Security and Privacy

    Unix Security
  • 8lgm Advisories - Security advisories about weaknesses and exploits on Unix operating systems.
  • Bugtraq Archives - Unix mailing list archive about exploits for Unix security flaws and denial of service attacks to BUGTRAQ@NETSPACE.ORG.
  • Improving The Security of Your Site By Breaking Into It - A paper by Dan Farmer of Sun Microsystems and Wietse Venema of Eindhoven University of Technology. It shows the ways of identifying your network weak spots.
  • Introduction to UNIX: Basic Commands - describes the basic UNIX commands with a particular emphasis on the commands necessary to create and manipulate files and directories.
  • Practical Unix Security - A comprehensive workshop held February 1997. Topics covered include risk analysis, physical security, passwords and auditing.
  • Unix Reference Guide by HotWired's Webmonkey backend reference. This reference sheet gives you the basic commands you'll need, focusing especially on file management.
  • Unix Security Cookbook - A document written to help Unix Site Managers secure their hosts from being compromised by hackers.

    • Unix Security Software

  • ICE.Block - Security for SCO and UnixWare servers.
  • NetGate - Rules based packet filtering and routing package for administering TCP/IP networks. Affordable for Solaris (Sparc), Solaris (iX86) and SunOS .
  • NetSafe - complete and modular implementation of a Firewall for RM systems running the Reliant UNIX (UNIX SVR4) operating system.
  • Norman Firewall - by Norman Data Defense Systems, Inc. provides a single, highly secure route for data to travel between your network and the Internet. The Norman Firewall combines secure computing and communications devices along with content scanning capability. This fully configurable system is tunable to provide the functionality your work demands and the security your organization requires. Hackers cannot connect to the firewall or gain access to protected hosts and workstations behind the firewall. The Norman Firewall operates on HP-UX 10.16 CMW+ or Sun Solaris 2.5.1 x86 operating systems.

  • Also See: Firewalls - information and products
  • Security Tools & Archives

    • |Main Page |Security and Privacy

    Windows 95/98 Security
  • Cable Modem Security Tips - Good article from the Microsoft knowledge base on security over a cable modem.
  • Enhance Password Security - A security tip from Microsoft on how to avoid password theft.
  • Enhancing Windows 95 Security - Tips and pointers for minimum and maximum security on a Windows 95 system.
  • NT vs. 95 - Security - A comparison between the security features of Windows NT and Windows 95.
  • Password Theft Using ActiveX Control - An example of how an ActiveX control can be used to exploit a Windows 95 security flaw.
  • Windows 95 Security Information - Alerts, patches, bug fixes, viruses, and resources related to Windows 95 security.

    • Windows 95/98 Security Software

  • Absolute Protect - Theft recovery system based on Windows messaging.
  • AntiWinNuke (download) - This is a stand alone application that prevents Port 139 attacks.
  • Conceal PC Firewall - The first firewall for Windows 95/98 computers. See my review.
  • EMD Armor - EMD Armor offers protection against ActiveX, Java, and some virus protection for Windows 95.
  • e-Safe Protect - Protects against ActiveX, Java, Trojan horses, viruses and modem dialers. One of the best. For Windows 95.
  • Guard Dog Deluxe - A very easy to use security program for Windows 95. Protects against ActiveX, Java, cookies, and viruses.
  • Hacker Proof 98 - Protects your computer from unauthorized access on the Internet.
  • The Lock98 - Complete Windows 9/98 desktop protection for a stand-alone or networked workstation system.
  • Magic Folders - Makes any or all folders invisible to anyone but you.
  • PC#Protect - PCProtect logs all keystrokes and stores them in a encrypted textfile. Track down unauthorized PC use.
  • Secure 95 - Secure95 allows users to password-protect and edit the Windows 95 policy restrictions easily.
  • SecureWin - SecureWin is an easy-to-use, comprehensive, security software suite.

    • |Main Page |Security and Privacy

    Windows NT Security
  • Device Object Security - Are your default permissions secure? How can you secure NT device objects?
  • Evaluating Windows NT Security - A huge excerpt from the book "Windows NT Security Handbook ". Good info on performing a security audit on NT.
  • JORGEP TRACKS - NT security related articles, many in MS Word format.
  • The New Technology News Time - The online publication of the San Diego Windows NT Users Group. Good information and resources, and well organized.
  • NT Security - Article from BYTE magazine on Internet connected NT security issues.
  • NT Security News - News, alerts, resources and information concerning NT security issues.
  • NT's Trouble Spots - A TechWeb article on some of NT's security problems.
  • NT Web Server - Security Issues - How to make your NT Web server secure. 1996 document.
  • The Unofficial NT Hack - A very complete primer on NT security.
  • Windows NT Magazine - The online version of the print magazine dedicated to the Windows NT operating system.
  • The Windows NT Resource Center - Hosted by Beverly Hills Software, this site contains dozens of links, downloads and info about Windows NT.
  • Windows NT Domain Security - Protecting the Windows NT domain resources.
  • Windows NT Security Information - NT security issues published by Microsoft. Covers NT through version 5.0.
  • Windows NT Security by Jim Frost - Windows NT security issues from a programmers point of view.
  • Windows NT 5.0 Security Overview - An outstanding overview of Windows NT 5.0 security by the NT 5.0 program manager.

    • NT Security Software (Firewalls)

  • AltaVista Firewall 98 - New firewall product from AltaVista/Digital.
  • Ascend - Secure access firewall. Ascend's integrated security solution.
  • Cisco Centri - An excellent Windows NT Firewall for small to medium businesses.
  • CyberGuard - Billed by it's publisher as the most secure firewall for NT.
  • Eagle NT - Complete NT firewall solution for Internet and Intranets.
  • Elron Firewall - Elron guarantees a 60 minute installation of it's Elron Firewall for NT.
  • Firewall-1 - Check Point FireWall-1 is an NT enterprise security suite which combines Internet, intranet and remote user access control.
  • Firewall Plus - Network-1 Software & Technology publishes an easy to configure firewall for NT, DECNet, IP/IPX and SNA.
  • GFX Firewall System - This is a turnkey hardware/software firewall security system. Set it up and turn it on.
  • GNAT Box Firewall - Firewall software from GFX that runs on your hardware.

    If you can reach them, they can reach you -
    How to protect valuable data with a well-built firewall. PC week tutorial.

    NetGuardian -
    Guardian firewall is a diverse software solution providing complete network security, management and connectivity.

  • SecurIT Firewall for NT - Along with a good product description is a good tutorial on Internet security.
  • Secure Computing Firewall for NT - A secure access firewall, security scanner, suspicious activity monitor and more.
  • SmartWall - Integrated firewall capabilities with virtual private network (VPN) technology.

    • |Main Page |Security and Privacy

    MAC Security
  • $10,000 Macintosh World Wide Web Security Challenge - $10,000 to anyone who could bypass the security on a Macintosh World Wide Web Server using only off-the-shelf software to protect the system.
  • Checklist for Macintosh security - Information on some general basic vulnerabilities with tips on how to avoid them. From the University of Queensland.
  • Info Sheet 52 - Macintosh Security - Good tips to keep your networked Mac secure.
  • Macintosh File Security - A paper published by Stanford University on securing the files on a Mac
  • Macintosh Network Security - Tips for securing your Macintosh on a network.
  • Mac OS Disaster Center Chat Room - A Java based chat room dedicated to the subject of Mac disaster recovery issues.
  • Macintosh PowerBook Security - A page of tips and information regarding the Mac Powerbook and security. by Nirvana Research.
  • A Macintosh security blanket - Commentary from MacWeek magazine on the inherent security of Macintosh systems.
  • Macintosh Server Security - A short piece on the superiority of security on Macintosh servers.
  • Mac Virus - A good resource for information on Macintosh specific viruses.

    • MAC Security Software

  • ADS Software - Features File Guard and Disk Guard for the Macintosh.
  • CryptDisk - CryptDisk is soft partition encryption software for the Mac. Encrypt and decrypt on the fly using IDEA algorithms.
  • Disklock for Macintosh - Symantec corporation's file, folder or disk encryption software for the Macintosh.
  • Kent*Marsh Ltd. - Makers of FolderBolt and NightWatch security software for Macintosh computers.
  • Magna Software - Makers of Empower and Empower Professional data security software.
  • Maxum Software - Maxum makes security software for Macintosh Web servers.
  • On Guard - Desktop security for the Mac. Lock out changes to the desktop.
  • PGP for the Macintosh - The de facto standard for encryption software is also available for the Macintosh.

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