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    Limit creation of malicious code

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    1. In order to limit the creation of malicious code, do you think that access to elements of the document object model and some Javascript functionality be limited? In discussing your answer, describe two types of computer attacks/ viruses that may be initiated by scripting code in the browser environment. What else can we do to combat this?

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    Limit creation of malicious code
    1. In order to limit the creation of malicious code, do you think that access to elements of the document object model and some Javascript functionality be limited? In discussing your answer, describe two types of computer attacks/ viruses that may be initiated by scripting code in the browser environment. What else can we do to combat this?

    Solution

    Malicious JavaScript Codes
    Miscreants can code the JavaScript to do malicious works in your websites. For example, the recent Yamanner worm targeted Yahoo Mail which extracted the e-mail addresses, sent those off to the attacker, and forwarded itself to all contacts in a user's Yahoo address book. The Samy worm spread on MySpace which changes the user profiles in social-networking Web sites. Both worms were created in JavaScript.
    JavaScript Code attack
    After creating a malicious JavaScript, an attacker can look for a vulnerable Web site to host the script. Security experts say Web sites are widespread with cross-site scripting flaws. An attacker could use such a flaw to embed his ...

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    The expert examines limit creation of malicious code.

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