21-12-2010, 03:33 PM
[attachment=7477]
Presented By:BhawikKotadia
Bhavesh
Aswani
ECE ‘A’
Introduction
All of us are familiar with cell phones. The use of cell phones to access internet and share executable files have increased. With the growing number of functionalities, the amount of personal data at risk is high. With the growth of the smart phone, mobile phones with Internet connectivity that work like a handheld computer, phone users have also seen the advent of the mobile phone virus. If not handled properly, it may prove to be fatal to our privacy. It is not just PCs that are vulnerable to virus attacks these days--now we also have to protect your phone from mobile phone virus and PDA, too. Advanced mobile phones run the same kind of applications as desktop and laptop computers, and they have multiple wireless connections so they too get infected by mobile phone virus and spread cell phone virus.
There are currently about 100 mobile viruses that can disable a phone or create bills of hundreds of dollars by sending pricey picture messages. The first mobile virus spreading "in the wild" emerged less than two years ago. While this is still a tiny number compared with personal computer viruses, the threat is expected to increase.
Virus, What is it ?
A virus is a computer program that can copy itself and infect a computer without permission or knowledge of the user. It may have a negative effect, such as causing a program to operate incorrectly or corrupting a computer's memory. The term "virus" is also commonly but erroneously used to refer to other types of malware, adware, and spyware programs that do not have the reproductive ability. A true virus can only spread from one computer to another (in some form of executable code) when its host is taken to the target computer; for instance because a user sent it
over a network or the Internet, or carried it on a removable medium such as a floppy disk, CD, DVD, or USB drive. Viruses can increase their chances of spreading to other computers by infecting files on a network file system or a file system that is accessed by another computer. A worm is one that exploit security vulnerabilities to spread it to other computers without needing to be transferred as part of a host, and a Trojan horse is a program that appears harmless but has a hidden agenda. Worms and Trojans, like viruses, may cause harm to either a computer system's hosted data, functional performance, or networking throughput, when they are executed. Some viruses and other malware have symptoms noticeable to the computer user, but many are surreptitious. MOBILE VIRUS
A mobile virus is an electronic virus that targets mobile phones or wireless-enabled PDAs. As wireless phone and PDA networks become more numerous and more complex, it has become more difficult to secure them against electronic attacks in the form of or other malicious software (also known as malware). Malware is software designed to infiltrate or damage a computer system without the owner's informed consent.
A mobile phone virus is a computer virus specifically adapted for the cellular environment and designed to spread from one vulnerable phone to another. Although mobile phone virus hoaxes have been around for years, the so-called Cabir virus is the first verified example. Motive to create virus Viruses are written for a variety of reasons
•
Curiosity
•
Challenge
•
To gain wider attention
•
Some new antivirus companies want to enter new
market.
Differences with PC Virus
Although similar OSes are being used, differences
exist:
Large numbers of mobile users are less “tech literate”. Implies that it is difficult to “rollout security patches” to phones already sold. Mobiles are always “connected” and switched on. “Environment” keeps changing as the user keep changing its mode of using cell phones.
Presented By:BhawikKotadia
Bhavesh
Aswani
ECE ‘A’
MOBILE VIRUS AND
WORMS
WORMS
Introduction
All of us are familiar with cell phones. The use of cell phones to access internet and share executable files have increased. With the growing number of functionalities, the amount of personal data at risk is high. With the growth of the smart phone, mobile phones with Internet connectivity that work like a handheld computer, phone users have also seen the advent of the mobile phone virus. If not handled properly, it may prove to be fatal to our privacy. It is not just PCs that are vulnerable to virus attacks these days--now we also have to protect your phone from mobile phone virus and PDA, too. Advanced mobile phones run the same kind of applications as desktop and laptop computers, and they have multiple wireless connections so they too get infected by mobile phone virus and spread cell phone virus.
There are currently about 100 mobile viruses that can disable a phone or create bills of hundreds of dollars by sending pricey picture messages. The first mobile virus spreading "in the wild" emerged less than two years ago. While this is still a tiny number compared with personal computer viruses, the threat is expected to increase.
Virus, What is it ?
A virus is a computer program that can copy itself and infect a computer without permission or knowledge of the user. It may have a negative effect, such as causing a program to operate incorrectly or corrupting a computer's memory. The term "virus" is also commonly but erroneously used to refer to other types of malware, adware, and spyware programs that do not have the reproductive ability. A true virus can only spread from one computer to another (in some form of executable code) when its host is taken to the target computer; for instance because a user sent it
over a network or the Internet, or carried it on a removable medium such as a floppy disk, CD, DVD, or USB drive. Viruses can increase their chances of spreading to other computers by infecting files on a network file system or a file system that is accessed by another computer. A worm is one that exploit security vulnerabilities to spread it to other computers without needing to be transferred as part of a host, and a Trojan horse is a program that appears harmless but has a hidden agenda. Worms and Trojans, like viruses, may cause harm to either a computer system's hosted data, functional performance, or networking throughput, when they are executed. Some viruses and other malware have symptoms noticeable to the computer user, but many are surreptitious. MOBILE VIRUS
A mobile virus is an electronic virus that targets mobile phones or wireless-enabled PDAs. As wireless phone and PDA networks become more numerous and more complex, it has become more difficult to secure them against electronic attacks in the form of or other malicious software (also known as malware). Malware is software designed to infiltrate or damage a computer system without the owner's informed consent.
A mobile phone virus is a computer virus specifically adapted for the cellular environment and designed to spread from one vulnerable phone to another. Although mobile phone virus hoaxes have been around for years, the so-called Cabir virus is the first verified example. Motive to create virus Viruses are written for a variety of reasons
•
Curiosity
•
Challenge
•
To gain wider attention
•
Some new antivirus companies want to enter new
market.
Differences with PC Virus
Although similar OSes are being used, differences
exist:
Large numbers of mobile users are less “tech literate”. Implies that it is difficult to “rollout security patches” to phones already sold. Mobiles are always “connected” and switched on. “Environment” keeps changing as the user keep changing its mode of using cell phones.
