Question

describe at least 4 online legal reconnaissance activities

Answer 1

Reconnaissance is the process of gathering information about the target system that may be person, geography, etc. This information gathering may be legal or illegal.
4 online legal reconnaissance activities are :

• Human Intelligence: We gather most of the information related to the person through online applications like facebook, twitter, etc, where users keep on posting their personal data and we can get the knowledge about these.
• Financial Intelligence: We can gather financial reports and other financial conditions from the websites and can make the decision on how the company is working.
• Geospatial Intelligence: We can gather the information related to the office location, postal codes, etc or can get the information related to the particular geography from the website.
• Searching answers: We can search the answers to our questions using the internet and that is legal till the time we are using it for understanding the purpose and not violating the copyright of the answer.

Another method which is used by hacker act it is legal called as Internet Footprinting

• Web Searching: Different organization information can be extracted from web searches. Since the HTML code is accessible, the comments written on the HTML code can be used by the hackers to guess passwords.
• Network Enumeration: This is another method in which hackers try to get the domain name and information about the resources present on the network which can help them.
• Domain Name server-based: Some tools are used by the hackers to access the DNS of the server, through this they can access the zone and if the network is not configured properly, update commands can be run.
• Network-Based Reconnassaince: As the commands run can track all the information about servers which are maintained in between and finally, the last network can be reached by sending ICMP messages to the server.

These are the legal reconnaissance activities where we are trying to gather the information that may be financial, maybe regarding some person or maybe regarding some cooperation which is legal in nature.

Friend, I hope this serves your purpose. If you like my answer, do like it. Thanks.