digitalfort

Sorry friends,

At present we are upgrading our site with lots of new features and technology. Please give is little time as we work on our clients project first.

Thanking You.

Hello Friends,

we have slashed our price for a while as it's gonna be new year. contact as via the contact page and let us know your project we can negotiate to a better affordable price.

CYBER ZONE

At digitalfort, we offer affordable web designing services for individuals and businesses from all around the globe. We are reputed web design ers and we offer numerous web services inclusive of website design, web page design etc. We are the people offering world class web designing services at most competitive prices. We are always upto date with latest web technology. We have our designers 24/7 Online for your help. We complete our work in 3 working days, wheather its new site building work or re construction.The services offered by us empower individuals, teams and organizations in most efficient manner possible..

SECURITY ZONE

At digitalfort, we will guide you to secure yourself from the cyberage security issues as good as we can. We will help you to troubleshoot  computer affected by malwares. We will also provide informations on how to prevent from getting hacked and if already got trapped, what to do next. No matter whether you are incredibly knowledgeable of technology or if you know almost nothing at all about technology, there will always be something to learn at the digitalfort. We, will provide extremely detailed walkthrough and if you need further help we will work with you throught the entire process. We can save you time, money and headaches because we are professionals in our field. 

A computer worm differs from a computer virus in that a computer worm can run itself. A virus needs a host program to run, and the virus code runs as part of the host program. A computer worm can spread without a host program, although some modern computer worms also use files to hide inside.

Well known examples of the computer worm

The original computer worm was (perhaps accidentally) unleashed on the Internet by Robert Tappan Morris in 1988. The Internet Worm used sendmail, fingerd, and rsh/rexec to spread itself across the Internet.

The SQL Slammer Worm of 2003 used a vulnerability in Microsoft SQL Server 2000 to spread itself across the Internet. The Blaster Worm, also of 2003, used a vulnerability in Microsoft DCOM RPC to spread itself.

The Melissa worm of 1999, the Sobig worms of 2003 and the Mydoom worm of 2004 all spread through e-mail. These worms shared some features of a trojan horse, in that they spread by enticing a user to open an infected e-mail attachment.

Mydoom also attempted to spread itself through the peer-to-peer file sharing application KaZaA. The Mydoom worms attempted a Denial of Service (DoS) attack against SCO and Microsoft.

Protecting yourself against computer worms

Computer worms which spread through vulnerabilities in network services can best be protected against by keeping up-to-date in installing patches provided by operating system and application vendors. This includes worms like SQL Slammer and Blaster.

Computer worms which spread like trojan horses can best be defended against by not opening attachments in your e-mail. These infected attachments are not limited to .EXE files. Microsoft Word and Excel files can contain macros which spread infection.

Some people would say that the best way to protect yourself against computer worms is not to run Microsoft software. :-)

A computer virus is a program which reproduces itself. It may attach to other programs, it may create copies of itself (as in companion viruses). It may damage or corrupt data, change data, or degrade the performance of your system by utilizing resources such as memory or disk space.

A computer virus may be categorized with one or more of the following four designations:

• Boot sector computer virus
• Master Boot Record (MBR) computer virus
• File infector computer virus
• Macro computer virus

A computer virus which displays characteristics of more than one of these categories is known as a multi-partite computer virus.

Boot sector viruses

A boot sector virus does not need to be able to successfully boot the victims computer to infect it. Because of this, even non-bootable media can spread a boot sector virus.

Once the infected computer does successfully boot, the boot sector virus stays in memory and infects floppies and other media when they are written to by the infected computer.

Boot sector viruses have become less common as floppy disks have become rarer.

Master Boot Record (MBR) viruses

Master Boot Record (MBR) viruses are very similar to boot sector viruses, except that they infect the MBR (Master Boot Record) instead of the boot sector.

File infector viruses

File infector viruses infect files which contain executables code, such as .EXE and .COM files.

Some file infectors are memory resident. This means that the virus will stay in memory and continue to infect other programs. Other file infector viruses only infect other files when they are executed.

Macro viruses

Macro viruses infect certain types of data files. Most macro viruses infect Microsoft Office files, such as Word Documents, Excel Spreadsheets, PowerPoint Presentations, and Access Databases.

Macro viruses typically use the Visual Basic macro language which is built into Microsoft Office applications.

Some macro viruses also share the characteristics of a computer worm, in the way in which they spread themselves across networks.

Multi-partite viruses

Multi-partite viruses share the characteristics of more than one virus type. For example, a multi-partite computer virus might infect both the boot record and program files.