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Windows vs.. Linux Security A comparison A comparison.

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Presentation on theme: "Windows vs.. Linux Security A comparison A comparison."— Presentation transcript:

1 Windows vs.. Linux Security A comparison A comparison

2 Challenges in evaluating Windows and Linux A Subset of Microsoft's Offerings Windows 98, Windows NT, Windows 2000, Windows 2003 Server, and Windows CE A Subset of Microsoft's Offerings Windows 98, Windows NT, Windows 2000, Windows 2003 Server, and Windows CE Linux distributions Linux distributions Vary by the Linux kernel release each is based on (e.g., 2.2, 2.4, and 2.6) and the versions of all the packages each contains.

3 Philosophical differences in the design of Linux and Windows The Windows operating system is designed to support applications by moving more functionality into the operating system, and by more deeply integrating applications into the Windows kernel. The Windows operating system is designed to support applications by moving more functionality into the operating system, and by more deeply integrating applications into the Windows kernel. Linux differs from Windows in providing a clear separation between kernel space and user space Linux differs from Windows in providing a clear separation between kernel space and user space

4 Capabilities

5 Linux vs. Windows Viruses There are about 60,000 viruses known for Windows There are about 60,000 viruses known for Windows There are about 5 for commercial Unix versions, and around 40 for Linux There are about 5 for commercial Unix versions, and around 40 for Linux Jack Clarke, European product manager at McAfee, said, "So we will be seeing more Linux viruses as the OS becomes more common and popular." Jack Clarke, European product manager at McAfee, said, "So we will be seeing more Linux viruses as the OS becomes more common and popular."we will be seeing more Linux viruseswe will be seeing more Linux viruses Win32,Linux/Simile.D is a very complex virus that uses entry-point obscuring, metamorphism, and polymorphic decryption. The virus contains no destructive payload, but infected files may display messages on certain dates.

6 Open Source Software Windows ("look but don't touch." ) Windows ("look but don't touch." ) Microsoft's Shared Source InitiativeMicrosoft's Shared Source Initiative is an attempt Microsoft's Shared Source Initiative to meet customer requirements for looking at source code. Shared Source Initiative has one million participants, and source code is available for Windows 2000, Windows XP, Windows Server 2003, Windows CE 3.0, Windows CE.Net, and the C#/CLI implementations, as well as components of ASP.Net and Visual studio.Net. Shared Source Initiative licensees include corporate customers, governments, partners, academics, and individuals. Linux Linux Linux is licensed under the GNU General Public License The availability of the source code and the right to modify The availability of the source code and the right to modify The right to redistribute modifications and improvements to the code The right to redistribute modifications and improvements to the code The right to use the software in any way The right to use the software in any way

7 Can a frustrated Windows user dump Microsoft? Even with lots of improvements, Linux is still no cakewalk. Even with lots of improvements, Linux is still no cakewalk. Games Games Software ( Photoshop, Accounting, etc.) Software ( Photoshop, Accounting, etc.)


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