Answer:
uses third party CAs to validate a user's identity
Explanation:
The Digital Certificate is the only means that technically and legally guarantees the identity of a person on the Internet. This is an essential requirement for institutions to offer secure services over the Internet. Further:
The digital certificate allows the electronic signature of documents The recipient of a signed document can be sure that it is the original and has not been tampered with and the author of the electronic signature cannot deny the authorship of this signature.
The digital certificate allows encryption of communications. Only the recipient of the information will be able to access its content.
Answer: The statement implies that the hackers psychologically manipulate the human to access the information they need.
Explanation: The author states that the hacker does not only exploits technology to get system access or to gather information. But there is another pivotal part of hacking. He refers to this part as "social engineering".
Social engineering from information security perspective means manipulate human emotions and convincing them to disclose some confidential information. Hacker often hacks or defrauds after gaining confidence and trust of a person.
Phishing is an example. It is a fraudulent technique for getting some secret information. Phisher sends an email pretending to be from some reputable organization to persuade people to divulge private information like passwords and credit card numbers, ATM card pin etc.
Answer:
These systems are commonly used in facilities such as public libraries to ensure equitable use of limited numbers of computers. Bookings may be done over the internet or within the library itself using a separate computer set up as a booking terminal.
Answer:
Creative, helpful, communicative, colorful, detailed
Explanation:
