Email spoofing. sketchycorp runs an smtp server and has experienced a spoofing attack.

(a) name three web or command-line tools attackers could have used to conduct the attack?
(b) sketchycorp has implemented vanilla smtp, which does not provide authentication, confidentiality, or integrity. explain how each of the following mechanisms would
(i) dkim
ii) dmarc
iii) spf
(iv) starttls
(c) whatever sketchycorp does, messages that its users send to users of other email providers add one or more of these properties might still have no confidentiality. why? what could the company require its users to do to guard against this?

Write a pseudocode solution for each of these problems. 1. design a while loop that lets that user enter a number. the number should be multiplied by 10, and the result stored in a variable named product. the loop should iterate as long as product contains a value less than 100. 2. design a do-while loop that asks the user to enter two numbers. the numbers should be added and the sum displayed. the loop should ask the user whether he or she wishes to perform the operation again. if so, the loop should repeat; otherwise it should terminate. 3. design a for loop that displays the following set of numbers: 0, 10, 20, 30, 40, 50 100. 4. design a nested loop that displays 10 rows of # characters. there should be 15 # characters in each row. 5. convert this for loop to a while loop. declare integer count for count = 1 to 50 display count end for 6. find the error in the following pseudocode. declare boolean finished = false declare integer value, cube while not finished display “enter a value to be cubed.” input value; set cube = value ^ 3 display value, “ cubed is “, cube end while

According to alisa miller foreign news bureaus

What characteristic of long period comets suggest they come directly from the oort cloud?