Computer Security

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No, CCNA (Cisco Certified Network Associate) is an certification that validates the ability to install, configure, operate, and troubleshoot medium-size route and switched networks, including implementation and verification of connections to remote sites in a WAN.

Security ethical hacking, goes more in detail about computer/software/network security.

As the question was posed in the Windows section, I'll answer this from Microsoft's perspective.

User rights generally refer to logon capabilities: who can logon interactively, as a batch job, as a service, over the network, over Terminal Services, etc. These all require a certain "right" and these rights can also be denied to groups or individual users.

Permissions relate to the capability of accessing an object, such as a file, a registry entry, a service, a printer, a share, etc. Again these can be granted or denied but there is more granularity here as there are several permission types: read, write, delete, etc. Permissions are collected into Access Control Lists (ACLs) with each entry being termed an Access Control Entry (ACE).

To complete the trio in common parlance, there are privileges. These relate to overriding capabilties within Windows such as backup, restore, take ownership, debug, etc. If you hold the backup privilege, for example, you are allowed to read all files, regardless of permissions on those files. Privileges trump permissions.

Confusingly, privileges are sometimes referred to as rights, even in official MS documentation. in the days of NT4, some were also called "abilties" so you'll note the careful use of the generic term, "capability" above.

And finally, in the Novell world, permissions are called user rights.

Generally, you are referring to the class of Filesystems known as Cryptographic file systems. A crypto filesystem uses a symmetric algorithm to encode the contents of disk; it requires a special key to be able to use.

Several common filesystems now support a Cryptographic mode.

Start>My Computer>Local Disk>Program files>McAfee>McAfee Shared components>Shedder << delete this folder For those of you trying to install Norton but it keeps telling you to uninstall McAfee Shredder first, I came across the easiest answer that worked straight away for me. Go download this freeware registry cleaner: http://www.majorgeeks.com/download.php?det=460. On the Uninstall Menu, remove McAfee Shredder and it takes care of it immediately.

The exact mathematics of the encryption differ depending on the algorithm used, but in principle, this is how it works.

An algorithm is used to generate a pair of keys that are related mathematically. In many cases they are factors of a very large number. One of the keys is the Public key, which is published to a key registry. The other is the Private key which is held by the owner alone. The important thing is that it is supposed to be impossible to derive the Private key from the Public key. When the owner wants to send a message, the use the Private key to encrypt it or to sign it. Since only the corresponding Public key can decrypt it, that establishes that the sender is who they say they are (because only they should have the Private key). If the sender used their Private key to sign the message, the receiver can use the Public key verify that the message has not been tampered with. On the flip side, some can encrypt a message to the owner of the Private key by using that person's Public key. Only the holder of the Private key can decrypt the message. This can provide confidentiality. Two correspondents can establish secure communications by using each others Public keys to encrypt their messages.

Often the public key is deposited with a trusted Certificate Authority. Assuming the user trusts the key repository, they can use them to authenticate the key they are using as belonging to the person it is supposed to belong to.

To get more details on the mathematics of encryption and decrption using Public Key

Encryption, aka asymmetric encryption. Do a web search for the particular algorithm involved, be it SSH, PGP, TLS, or some other protocol.

Go to the Wiki for OSI model -that discussion and listing is very good.

Hold Windows key and press L

That will lock your account.

If your account is password protected then you will get a password prompt to enter that account again.

disgruntled employee
Software Flaws

The BTX is the answer the design focuses on reducing heat with better airflow and improved fans and coolers, its also gives better structural support for the motherboard than does ATX. Answer #2 = The BTX (Balanced Technology Extended) was designed to take full advantage of serial ATA, USB 2.0, and PCI Express technologies. The BTX form factor focuses on reducing heat with better designed airflow and implimenting improved colling fans and coolers.

Yes, you can doctors' email addresses easily by using the email scraper software. You can find an email database of doctors for any country, city, or, state by using this Cute Web Email Extractor software.

Contact Me:

Mobile Number: 03084471774

A domain name identifies the location of an area on a server.

You can get antivirus programs that help you from getting hacked, the best antivirus out there right now is BitDefender Total Security 2009.

If you are a cracker: serials for it can be found on cracking sites and video sites.

If you are looking to prevent hacking games such as runescape or WoW:

change your password atleast once a week.

Hoped this helped.

-Kristian Boy Genius

Age 10

Put all eggs in one basket, Even how hard the basket !

Computer

Are you from mmu asking a past year question?

You need a good power surge strip or a UPS. Make sure the computer plugs into the surge strip or the UPS, and then plug the strip or UPS into the wall. Some good UPS devices actually do power conditioning which is better, but more expensive.

it support the business owners with the payroll,human resource management wit all business sizes

TsEhGUOt. This is the world's toughest Password ever created. By Mr. Vivek Joshi Indore (M.P.)INDIA You can Get him on tanishq237@rediffmail.com.His Educational Qualification is MCA.

By documenting and implementing backup and recovery procedures, the process for recovery is much more efficient, helping with the time portion of RTO. By having effective backup and recovery procedures you should have the necessary resources to restore systems from backups and a repeatable process that is known to succeed in achieving RTO.

Good passwords are random with numbers and letters. You want a great password add symbols (*&?><) to a password that is alpha numeric. Examples * dktn9+1 * qkdit>4~

You can protect your P.C from, a virus by purchasing An Anti Virus + Anti- Malware and a Firewall all 3 are necessary also avoid opening spam mails and clicking unknown links . Always buy the software from a genuine dealer

All are computerized now a days.Now, physical world is related with imaginary world. In future human will act as a computer.Then embedded system and automation control can be watched by the system.Even in core side computers takes a predominant role to make the work easier. So,every where we needs a computer. so, computer sciennce decides the development of a country.

Usually, it is software that the user installs. Sometimes they insert infected media into the computer. Or the user downloads an attachment from their email. Other times, the user might be tricked into downloading a fake plugin or codec after being told that their version is out of date.

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