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Computer Security (58) - Mobile Security (9)
- Hacking (33)
- Security AllOther (4)
What are accessories in computer?
What is a hacking loop?
What is a driver in computer?
what is the role in sap security?
Who is the best hacker in the world?
How would you login to Active Directory from a Linux or Mac box?
What is data source in computer?
What laptops do hackers use?
How do I fake posts to usenet?
How do I crack unix passwords?
Explain what is DOS (Denial of service) attack? What are the common forms of DOS attack?
What is meant by computer application?
How do I modify the irc client to hide my real username?
Does indexing slow down computer?
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?
