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Cybersecurityknowledge~10 mins

Quantum computing threats to cryptography in Cybersecurity - Interactive Code Practice

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Practice - 5 Tasks
Answer the questions below
1fill in blank
easy

Complete the sentence to explain the main threat quantum computing poses to cryptography.

Cybersecurity
Quantum computers can break many classical encryption methods using [1] algorithms.
Drag options to blanks, or click blank then click option'
AShor's
BDijkstra's
CBellman-Ford
DEuclid's
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing Shor's algorithm with classical algorithms like Dijkstra's.
2fill in blank
medium

Complete the sentence to identify which cryptographic method is most vulnerable to quantum attacks.

Cybersecurity
Public key cryptography methods like [1] are at high risk from quantum computing.
Drag options to blanks, or click blank then click option'
AAES
BSHA-256
CRSA
DHMAC
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing symmetric algorithms like AES which are less vulnerable to quantum attacks.
3fill in blank
hard

Fix the error in the statement about quantum computing's impact on symmetric cryptography.

Cybersecurity
Quantum computers can break symmetric encryption like AES using [1] algorithm.
Drag options to blanks, or click blank then click option'
ADiffie-Hellman
BShor's
CRSA
DGrover's
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing Grover's with Shor's algorithm which targets asymmetric cryptography.
4fill in blank
hard

Fill both blanks to describe how quantum computing affects cryptographic key sizes.

Cybersecurity
To maintain security against quantum attacks, symmetric key sizes should be [1] and asymmetric key sizes should be [2].
Drag options to blanks, or click blank then click option'
Adoubled
Bhalved
Cincreased
Dreduced
Attempts:
3 left
💡 Hint
Common Mistakes
Mixing up which key sizes should be increased or reduced.
5fill in blank
hard

Fill all three blanks to complete the statement about post-quantum cryptography.

Cybersecurity
Post-quantum cryptography aims to develop algorithms that are [1] to quantum attacks, often based on [2] problems, and are designed to replace [3] cryptography.
Drag options to blanks, or click blank then click option'
Aresistant
Blattice-based
Cclassical
Dvulnerable
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing 'vulnerable' instead of 'resistant' for the first blank.