Years 9–10 Digital Systems Crossword: Controlling and securing access to data and Threats and software vulnerabilities (Modules 25–40)
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
- 4. Anything that could cause harm to an asset, such as an attacker, malware, human error or a power failure. Threats can be deliberate or accidental, and internal or external. (6)
- 5. A flaw or bug in a program's code or settings, such as a coding mistake or an insecure default, that an attacker could use to get access or cause damage. Word 1 of: ________ vulnerability (8)
- 8. Checking that data a user enters is the expected type, length and format before the program uses it, so bad or harmful ______ is rejected. Word 2 of: _____ __________ (10)
- 9. Word 1 of the term in 8 Across: _____ __________ (5)
Down
- 1. A random value added to a password before hashing, so identical passwords give different hashes. Each user gets their own ______, which defeats precomputed hash tables. (4)
- 2. A person or group that carries out an attack on a system, described by their motive (why) and skill (how able). Examples: cybercriminals, hacktivists, insiders and nation-state groups. Word 2 of: ______ _____ (5)
- 3. An attack that tries many passwords automatically until one works. A dictionary attack tries common words and leaked passwords first. Long passwords and lockouts slow it down. Word 1 of: _____-force attack (5)
- 5. All the points where an attacker could try to get into a system or take data out, such as open ports, running services and user accounts. A smaller ______ means fewer ways in. Word 2 of: attack _______ (7)
- 6. Anything of value in a digital system that needs protecting, such as data, accounts, devices or services. Examples: a student database (data) or a school laptop (hardware). (5)
- 7. A method or piece of code that takes advantage of a vulnerability (a weakness) to attack a system. The weakness is the open door; the ______ is the tool that gets through it. (7)
Answer Key
Years 9–10 Digital Systems · Modules 25–40
1S
A
2A
L
3B
C
4T
H
R
E
A
T
U
O
5S
O
F
T
W
6A
R
7E
U
E
S
X
R
S
P
F
E
L
8V
A
L
I
D
A
T
I
O
N
C
I
E
9I
N
P
U
T
Across
4THREAT — Anything that could cause harm to an asset, such as an attacker, malware, human error or a power failure. Threats can be deliberate or accidental, and internal or external.
5SOFTWARE — A flaw or bug in a program's code or settings, such as a coding mistake or an insecure default, that an attacker could use to get access or cause damage. Word 1 of: ________ vulnerability
8VALIDATION — Checking that data a user enters is the expected type, length and format before the program uses it, so bad or harmful ______ is rejected. Word 2 of: _____ __________
9INPUT — Word 1 of the term in 8 Across: _____ __________
Down
1SALT — A random value added to a password before hashing, so identical passwords give different hashes. Each user gets their own ______, which defeats precomputed hash tables.
2ACTOR — A person or group that carries out an attack on a system, described by their motive (why) and skill (how able). Examples: cybercriminals, hacktivists, insiders and nation-state groups. Word 2 of: ______ _____
3BRUTE — An attack that tries many passwords automatically until one works. A dictionary attack tries common words and leaked passwords first. Long passwords and lockouts slow it down. Word 1 of: _____-force attack
5SURFACE — All the points where an attacker could try to get into a system or take data out, such as open ports, running services and user accounts. A smaller ______ means fewer ways in. Word 2 of: attack _______
6ASSET — Anything of value in a digital system that needs protecting, such as data, accounts, devices or services. Examples: a student database (data) or a school laptop (hardware).
7EXPLOIT — A method or piece of code that takes advantage of a vulnerability (a weakness) to attack a system. The weakness is the open door; the ______ is the tool that gets through it.