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A white hat (or a white-hat hacker, a whitehat) is an ethical security hacker. [ 1 ] [ 2 ] Ethical hacking is a term meant to imply a broader category than just penetration testing. [ 3 ] [ 4 ] Under the owner's consent, white-hat hackers aim to identify any vulnerabilities or security issues the current system has. [ 5 ]
That is the reason by which it may be named a Pre-Attack, since all the information is reviewed in order to get a complete and successful resolution of the attack. Footprinting is also used by ethical hackers and penetration testers to find security flaws and vulnerabilities within their own company's network before a malicious hacker does. [3]
It should be idle (hence the scan name), as extraneous traffic will bump up its IP ID sequence, confusing the scan logic. The lower the latency between the attacker and the zombie, and between the zombie and the target, the faster the scan will proceed. [8] Note that when a port is open, IPIDs increment by 2. Following is the sequence: 1.
Scanning: Uses technical tools to further the attacker's knowledge of the system. For example, Nmap can be used to scan for open ports. Gaining access: Using the data gathered in the reconnaissance and scanning phases, the attacker can use a payload to exploit the targeted system.
Unlike wardialing, however, a port scan will generally not disturb a human being when it tries an IP address, regardless of whether there is a computer responding on that address or not. Related to wardriving is warchalking , the practice of drawing chalk symbols in public places to advertise the availability of wireless networks.
The 1998 paper Insertion, Evasion, and Denial of Service: Eluding Network Intrusion Detection popularized IDS evasion, and discussed both evasion techniques and areas where the correct interpretation was ambiguous depending on the targeted computer system. The 'fragroute' and 'fragrouter' programs implement evasion techniques discussed in the ...
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