Explain what is DOS (Denial of service) attack? What are the common forms of DOS attack?
What is the difference between a virus and a trojan?
What is nis/yp?
What is a ringback number?
What is the most commonly used computer application?
What are some irc channels of interest to hackers?
What is a trojan/worm/virus?
Do blue boxes still work?
Does indexing slow down computer?
How do I build a red box?
What is password shadowing?
What tools do real hackers use?
1. Assume that passwords are selected from four-character combination of 26 alphabetic characters. Assume that an adversary is able to attempt passwords at a rate of one per second. a. Assuming no feedback to the adversary until each attempt has been completed, what is the expected time to recover the correct password? b. Assuming feedback to the adversary flagging an error as each incorrect character is entered, what is the expected time to discover the correct password?
How do I modify the irc client to hide my real username?
Which payphones will a red box work on?