Thursday, July 10, 2008
PC Computer Repair - Getting Rid of Spyware by Johnny Mendel
Many of these programs are simply dangerous and seriously threaten your online privacy and identity. Even the simple and supposedly benign Adware programs can cause you serious problems.
Spyware is any program that installs itself onto your computer with the intent to spy on your activity. This can be recording your online searching habits, or whatever you type on your keyboard. Adware is not much better. It is designed to watch what you do online, where you go, which terms you search for and then report this to the ad agency that runs the program.
Many, if not most, advertisers on the internet will try and place a cookie or other small program on your computer. Many will add code that will track that cookie as it hits different pages. The code may be designed simply to gather anonymous data, or it may be trying to send ads to your browser that the advertising company thinks you will be more likely to respond to.
Whatever the case, the Adware or Spyware is using your computer to do its tracking. This means that part of your computer's power and CPU cycles are being diverted away from the activity you are trying to perform. Your computer is being used by someone else instead to track your movements. These programs can literally slow your computer down to a crawl, or make it crash altogether. They can fill your computer up with trash files, open unwanted popup windows, use up the space in your internet cache and generally just make working on your computer a nightmare.
Luckily there are several easy solutions to the problem. Spyware and Adware are not the same thing as a computer virus or Trojan Horse. Although a computer virus can install spyware on a computer, you will need different tools to remove a computer virus and to keep your system clean from Spyware and Adware. There are several good Spyware/adware programs on the market. Good programs are Ad-aware from Lavasoft and Spy Sweeper from Webroot Software although there are several others. You can easily find both of these by doing an internet search for Ad-aware and Spy Sweeper or simply do a search for spyware.
About the Author
The Author, Johnny Mandel owns a London PC Computer Repair site that provides access to quality low priced computer repair products online. You can also get great free information articles on Johnny's site.
Tuesday, July 8, 2008
DEFCON Badge hacking
By Phillip Torrone
MAKE pal, advisory board member and all around fun hacker guy Joe Grand loads up the details for this year's DEFCON badge hacking contest... via Hackaday. Joe writes -
Well, here we are again! For the 3rd year in a row, I've had the honor of designing the DEFCON badge. And, for the 3rd year in a row, DT has been gracious enough to let me host a contest around hacking the badge. This is the first year that it will be an official contest announced in advance, etc., as previously we've kept the whole thing under wraps until the first day of the con.
Here's a little description of the contest...
The DEFCON Badge Hacking Contest awards the top 3 most ingenious, obscure, mischievous, obscene, or technologically astounding badge modifications created over the weekend. No longer just a boring piece of passive material, the badge is now a full-featured, active electronic product, and it exists for your hacking pleasure.
More:
* Prevous badges.
* Joe Grand @ MAKE.
* @ DEFCON - Joe Grand.
* Joe Grand LED DEFCON badges.
Saturday, June 14, 2008
Computer Network Installation
Computer network installation has become an essential prerequisite for any efficient modern-day business as it allows employees to truly work as a team by sharing information, accessing the same database and staying in touch constantly. For a computer network to give the best results, a lot of detailed planning and foresight is required before installation.
Firstly, an organization needs to clearly define its requirements – how many people would use the network, how many would use it locally (within the office) and how many might require remote access (from a different location), how many computers and other devices (servers, printers, scanners) would be connected to the network, what are the needs of the various departments and who would be in charge of running/managing the network. It also helps if one can anticipate the direction the company would take in the near future so potential growth can be f
actored in during computer network installation.The technology issues should also be ironed out in advance – hardware, software, servers, switches, back-up devices, cables and network operating systems. Make sure you have the required licenses to run the software on all your machines before installing a computer network. Alongside computer network installation should proceed the building of a dedicated technical support staff, either within your own organization or outside consultants? Delegate responsibility clearly for network management. Before installing the network, you also need to choose the security mechanism to protect corporate data and keep viruses at bay.
The transition to a new or upgraded computer network can bring some teething problems. To minimize chances of confusion, the company might need to train its staff to make them familiar with the new system. Careful planning will to a large extent prevent crises like system downtime and network crashes.Learn How BlockDoS.net Cope Up With DDoS Attacks
Safe your network from the surrounded by out -- View the webcast
Even though a DoS assault does not frequently result in the robbery of information or other safety defeat, it can cost the objective person or corporation a immense treaty of time and money. Characteristically, the loss of repair is the incapability of a particular network service, such as e-mail, to be obtainable or the impermanent loss of all network connectivity and services. A denial of service attack can also obliterate programming and files in exaggerated computer systems. In some cases, DoS attacks have required Web sites accessed by millions of people to for the time being finish procedure.
General forms of denial of service attacks are:
Buffer Spread out Attacks
The most ordinary kind of DoS attack is merely to send more traffic to a network address than the programmers who intended its data buffers predictable someone might send. The assailant may be conscious that the target system has a flaw that can be oppressed or the assailant may just try the assault in case it might work. A few of the better-known attacks based on the shock absorber individuality of a program or system include:
* Sending e-mail messages that have attachments with 256-character file names to Netscape and Microsoft mail programs
* Sending extra-large Internet Control Message Protocol (ICMP) packets (this is also known as the Packet Internet or Inter-Network Groper (ping) of death)
* Distribution to a user of the Pine e-mail progam a communication with a "From" address better than 256 characters
Our Technology
BlockDos Solution
BlockDoS.net does not afford any short-term solutions to get rid of DDOS assaults. To avoid DDos attacks, our finest practices occupy making computers and networks more flexible in the face of an assault. Many companies have executed different solutions to survive with DDoS attacks. But we have diverse come near to do it. We will neither immobilize your website nor will it be inactive at the time of assault.
Our expertise is much easiest yet stronger. Let us think a state of affairs where a site is exaggerated with DDoS attack and we have to provide the solution.
1. Consider a site attacked by the DDos attack.
2. Just go to BlockDos.net, fill out the “Under Attack” form and hit submit.
3. BlockDos team will contact you within 30 minutes of receipt of your query.
4. You will rapidly obtain an IP address from BlockDos team which is what you will have to forward your domain name to.
5. Now BlockDoS is going to be accountable for nearly every DDoS attack or hateful action and sift out the general requests.