ACARA Digital Technologies Years 9–10 Crossword: Cyber Security Threats and Vulnerabilities (Modules 828–859)
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
Across
- 3. Caesar wrap-around rule: with A=0 to Z=25, add the ______ then take ______ 26 so letters past Z loop back to A. Example: X (23) + 5 = 28, ______ 26 = 2, which is C. Word 3 of: (________ + _____) ___ 26 (3)
- 4. ______ baseline security strategies from the Australian government, like patching, MFA, backups and application control, that cut the risk of cyber incidents. Word 1 of: _________ _____ (9)
- 8. Word 2 of the term in 1 Down: ____ _______ (7)
- 9. A cipher that swaps each letter for a different letter from one scrambled alphabet. That scrambled alphabet is the key, and it never changes during the message. Word 2 of: monoalphabetic ____________ cipher (12)
Down
- 1. Adding a digital signature to software so a computer can check it came from the named publisher and has not been changed since it was signed. Word 1 of: ____ _______ (4)
- 2. An attack where hackers breach one trusted supplier and use its software update to reach many victims. A case study traces the supplier, how the update spread and who was hit. Word 2 of: supply _____ attack (5)
- 4. Word 2 of the term in 4 Across: _________ _____ (5)
- 5. Word 2 of the term in 3 Across: (________ + _____) ___ 26 (5)
- 6. Reading a ______ in time order for patterns, like many failed logins then one success, odd times or unfamiliar places, to spot an attack. Word 1 of: ___ analysis (3)
- 7. Word 1 of the term in 3 Across: (________ + _____) ___ 26 (8)
Answer Key
ACARA Digital Technologies Years 9–10 · Modules 828–859
1C
2C
3M
O
D
H
D
A
4E
S
5S
E
N
T
I
A
6L
I
H
N
O
7P
8S
I
G
N
I
N
G
G
O
H
F
9S
U
B
S
T
I
T
U
T
I
O
N
I
T
I
O
N
Across
3MOD — Caesar wrap-around rule: with A=0 to Z=25, add the ______ then take ______ 26 so letters past Z loop back to A. Example: X (23) + 5 = 28, ______ 26 = 2, which is C. Word 3 of: (________ + _____) ___ 26
4ESSENTIAL — ______ baseline security strategies from the Australian government, like patching, MFA, backups and application control, that cut the risk of cyber incidents. Word 1 of: _________ _____
8SIGNING — Word 2 of the term in 1 Down: ____ _______
9SUBSTITUTION — A cipher that swaps each letter for a different letter from one scrambled alphabet. That scrambled alphabet is the key, and it never changes during the message. Word 2 of: monoalphabetic ____________ cipher
Down
1CODE — Adding a digital signature to software so a computer can check it came from the named publisher and has not been changed since it was signed. Word 1 of: ____ _______
2CHAIN — An attack where hackers breach one trusted supplier and use its software update to reach many victims. A case study traces the supplier, how the update spread and who was hit. Word 2 of: supply _____ attack
4EIGHT — Word 2 of the term in 4 Across: _________ _____
5SHIFT — Word 2 of the term in 3 Across: (________ + _____) ___ 26
6LOG — Reading a ______ in time order for patterns, like many failed logins then one success, odd times or unfamiliar places, to spot an attack. Word 1 of: ___ analysis
7POSITION — Word 1 of the term in 3 Across: (________ + _____) ___ 26