VCE Cyber Security Crossword: Software malware updates to RSA (Modules 41–50)
Name:
Date:
Class:
✎
Crossword
Read each clue and write the matching term in the grid. Numbers in brackets show the letters in each word.
1
2
3
4
5
6
7
8
9
10
Across
- 2. A documented rule employees must follow, such as reporting incidents or locking devices, to reduce cyber security risk. Word 1 of: _____ _________ (5)
- 6. Using the exact same secret key to both lock and unlock a message. Word 1 of: _________ __________ (9)
- 8. A cipher that encrypts a message by shifting each letter forward by a fixed number, and decrypts it by shifting each letter back by the same number. Word 1 of: ______ cipher (6)
- 9. Encryption that uses a linked pair of keys: a public key to encrypt data and a private key to decrypt it, with no shared secret key needed. Word 1 of: __________ __________ (10)
- 10. Word 2 of the term in 1 Down: _______ __________ update (10)
Down
- 1. Refreshing the database used by security software so it can recognise and detect newly discovered threats. Word 1 of: _______ __________ update (7)
- 3. A widely used method of symmetric encryption that uses one shared key, which can be 128, 192, or 256 bits long, to lock and unlock data. (3)
- 4. Turning a readable message into a scrambled, unreadable message using a key, so it can only be read again with decryption. (10)
- 5. Word 2 of the term in 2 Across: _____ _________ (9)
- 7. A way of locking and unlocking messages using two matching keys: a public key anyone can have, and a private key kept secret by its owner. (3)
Answer Key
VCE Cyber Security · Modules 41–50
1M
2S
T
A
F
F
3A
4E
L
E
N
W
5P
6S
Y
M
M
E
T
7R
I
C
8C
A
E
S
A
R
S
R
R
O
9A
S
Y
M
M
E
T
R
I
C
P
E
10D
E
F
I
N
I
T
I
O
N
D
I
U
O
R
N
E
Across
2STAFF — A documented rule employees must follow, such as reporting incidents or locking devices, to reduce cyber security risk. Word 1 of: _____ _________
6SYMMETRIC — Using the exact same secret key to both lock and unlock a message. Word 1 of: _________ __________
8CAESAR — A cipher that encrypts a message by shifting each letter forward by a fixed number, and decrypts it by shifting each letter back by the same number. Word 1 of: ______ cipher
9ASYMMETRIC — Encryption that uses a linked pair of keys: a public key to encrypt data and a private key to decrypt it, with no shared secret key needed. Word 1 of: __________ __________
10DEFINITION — Word 2 of the term in 1 Down: _______ __________ update
Down
1MALWARE — Refreshing the database used by security software so it can recognise and detect newly discovered threats. Word 1 of: _______ __________ update
3AES — A widely used method of symmetric encryption that uses one shared key, which can be 128, 192, or 256 bits long, to lock and unlock data.
4ENCRYPTION — Turning a readable message into a scrambled, unreadable message using a key, so it can only be read again with decryption.
5PROCEDURE — Word 2 of the term in 2 Across: _____ _________
7RSA — A way of locking and unlocking messages using two matching keys: a public key anyone can have, and a private key kept secret by its owner.