ALD G BI Understandability Manifestation Dimensionality Non-linearity Coupling Velocity Detectability - A. The malware remained hidden in the system months before the attack B. It was difficult to prosecute the adversaries because the cyber attack originated from so many geographical locations C. The adversary was able to shut off power to the city for a week from the safety of their own home D. In November of 1988, the first computer worm was able to infect 10% of the Internet within 24 hours E. The vulnerability in the software was difficult to fix because it required so many steps to reproduce F. The banking trojan removed all log traces of itself before remaining dormant G. Instead of intruding into the system, the adversary hijacked a DNS server and rerouted web traffic to their malicious site

ALD G BI Understandability Manifestation Dimensionality Non-linearity Coupling Velocity Detectability - A. The malware remained hidden in the system months before the attack B. It was difficult to prosecute the adversaries because the cyber attack originated from so many geographical locations C. The adversary was able to shut off power to the city for a week from the safety of their own home D. In November of 1988, the first computer worm was able to infect 10% of the Internet within 24 hours E. The vulnerability in the software was difficult to fix because it required so many steps to reproduce F. The banking trojan removed all log traces of itself before remaining dormant G. Instead of intruding into the system, the adversary hijacked a DNS server and rerouted web traffic to their malicious site

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Consider a piece of software that allows a surgeon in one place to participate in a surgery on a patient in another city via the use of an internet connection. Who would be interested in following the programme? Exactly what sort of damage do they want to cause? What kinds of vulnerabilities could they attempt to exploit in order to do you harm? Is it conceivable that such vulnerabilities may cause damage even if there isn't an active, hostile adversary trying to take advantage of them?
HackerLand National Bank has a simple policy for warning clients about possiblefraudulent account activity. If the amount spent by a client on a particular day is greaterthan or equal to 2 ×the client's medianspending for the last d days, they send the client a notification about potential fraud. The bank doesn't send the client any notificationsuntil they have at least d prior days of transaction data.Given the value of d and a client's total daily expenditures for a period of n days (where n>d) write amethod which returns the number of times the client will receive a notification over all days.Note: Your algorithm time efficiency should not exceed O(nd) where n is the total number of daily expenditures and d is the number of prior day expenditures used for frauddetection.Your algorithm space complexity should not exceed O(n+d).where n is the total number of daily expenditures and d is the number of prior day expenditures used for frauddetection.Space complexity is defined as the…
Suppose that Alice has a private key used for decryption. If she loses it thenshe no longer wishes to receive messages encrypted with the correspondingpublic key as she cannot decrypt them. Even worse, if her private key iscompromised, the adversary can decrypt messages sent to her. Suggest ONE(1) immediate action that must be taken to protect Alice in both cases.
Consider yourself the Authentication Manager of an IT organization, and you see that things were done haphazardly in the past. Users may select from a set of 62 characters (lower/upper case alphabets and 10 numbers) for the password setup, and a password length of ten characters was specified. Consider a strong adversary that can guess 10,000 passwords in a single second. Calculate the likelihood that a password in your company will be properly guessed by an attacker in a one-year period for password lengths of 12, 14, and 16. Users may still select just 62 characters.
The following cipher message was produced using the Rail Fence algorithm with 3 rails: “WECRLTEERDSOEEFEAOCAIVDEN” What is the corresponding plain text?
Consider software that lets a surgeon in one location to do surgery on a patient in a different location through the internet. Who wants to keep going once the programme is over? What kind of harm are they hoping to inflict? What flaws would they try to exploit in order to do you harm? Is it possible that such flaws might inflict harm even in the absence of a hostile attacker?
Imagine a software that enables a surgeon to operate remotely on a patient who is in another country using just the internet. Why would anybody want to remain after the lights are out? How potentially damaging do they anticipate it to be? Which of your shortcomings do you believe they would highlight in an effort to cast doubt on you? Is it conceivable for harm to occur when there isn't a violent attacker there to exploit these vulnerabilities?
At first, all lights on William's gadget are wound down. Toward the start of another emphasis the gadget arbitrarily, with a uniform dissemination, picks a light that is wound down and turns it on, let William know which digital money he ought to put resources into. After this cycle on the off chance that any k back to back lights contain more than one turned on light, the gadget gets done with working. William doesn't care for vulnerability, so he needs you to ascertain the normal worth of the number of lights that are turned on in the gadget after it gets done with working. Input Each test contains various experiments. The primary line contains the number of experiments t (1≤t≤10). Depiction of the experiments follows. The main line for each experiment contains two integers n and k (2≤k≤n≤105), which are the complete number of lights and the length of subsegment of lights that are being checked, separately. Output For each experiment print the appropriate response,…
Imagine a piece of software that, through the internet, would allow one surgeon to operate on a patient who is located in another part of the world. When the lights have gone out, why would anybody want to stay? To what extent do they want for it to be destructive? Which of your flaws do you think they would highlight to discredit you? Is it possible for damage to occur when there isn't an active threat actor trying to exploit these openings?
Given the following cipher text which has been ciphered with Mixed Alphabet Monoalphabetic Cipher: UZQSOVUOHXMOPVGPOZPEVSGZWSZOPFPESXUDBMET SXAIZVUEPHZHMDZSHZOWSFPAPPDTSVPQUZWYMXUZU HSXEPYEPOPDZSZUFPOMBZWPFUPZHMDJUDTMOHMQ By using statistical method to exploit the weaknesses in this cipher, you can conclude that there are two plain text letters that correspond two letters in the above ciphertext. Give these letters justifying your conclusion in detail. I need a detailed step by step explanation of how to solve this question, as i was not able to figure out the previous explanation, Thank you.
Given the following cipher text which has been ciphered with Mixed Alphabet Monoalphabetic Cipher: UZQSOVUOHXMOPVGPOZPEVSGZWSZOPFPESXUDBMET SXAIZVUEPHZHMDZSHZOWSFPAPPDTSVPQUZWYMXUZU HSXEPYEPOPDZSZUFPOMBZWPFUPZHMDJUDTMOHMQ By using statistical method to exploit the weaknesses in this cipher, you can conclude that there are two plain text letters that correspond two letters in the above ciphertext. Give these letters justifying your conclusion in detail.
Decrypt the following rail fence cipher: MTEXDCELASIHMETRIYOTRLNSLTOTRONRMUOAILSAAPF Assume depth = 4. 2. ()How many columns should the railfence grid have to decrypt the cipher in part a? )How many rows should the railfence grid have to decrypt the cipher in part a?