1 What are the different layers of the OSI model?
OSI model was introduced by the International Organization for Standardization for different computer systems to communicate with each other using standard protocols.
Below are the various layers of the OSI model:
2 Who are White Hat, Grey Hat, and Black Hat Hackers?
Black Hat Hackers A Black Hat Hacker uses his/her hacking skills to breach confidential data without permission. With the obtained data, the individual performs malicious activities such as injecting malware, viruses, and worms.
White Hat Hackers A White Hat Hacker uses his/her hacking skills to break into a system but with the permission of the respective organizations. They are professionals known as Ethical Hackers. They hack the system to identify its vulnerability and to fix it before a hacker takes advantage of it.
Grey Hat Hackers A Grey Hat Hacker has the characteristics of both a Black Hat Hacker and a White Hat Hacker. Here, the system is violated with no bad intention, but they do not have the essential permission to surf the system, so it might become a potential threat at any time.
Check out this interesting blog on Cyber Security Consultant Career!
Part B – Scenario Based Cybersecurity Interview Questions
To create space for more users we’re deleting all inactive email accounts. Here’s what you have to send to save your account from getting deleted:
If we don’t receive the above information from you by the end of the week, your email account will be terminated.
If you’re a user what do you do? Justify your answer.
This email is a classic example of “phishing” – trying to trick you into “biting”. The justification is the generalized way of addressing the receiver which is used in mass spam emails.
Above that, a corporate company will never ask for personal details on mail.
They want your information. Don’t respond to email, instant messages (IM), texts, phone calls, etc., asking you for your password or other private information.
You should never disclose your password to anyone, even if they say they work for UCSC, ITS, or other campus organizations.
There is this case that happened in my computer lab. A friend of mine used their yahoo account at a computer lab on campus. She ensured that her account was not left open before she left the lab. Someone came after her and used the same browser to re-access her account. and they started sending emails from it.
What do you think might be going on here?
The first person probably didn’t log out of her account, so the new person could just go to history and access her account.
Another possibility is that she did log out, but didn’t clear her web cache. (This is done through the browser menu to clear pages that the browser has saved for future use.)