16
tls
|
9
virtual-memory
|
4
known-vulnerabilities
|
2
aes
|
16
certificates
|
6
passwords
× 2 |
4
dns-domain
|
2
account-security
|
16
certificate-authority
|
6
phishing
|
4
sub-domain
|
2
web
|
15
authentication
× 2 |
6
email
|
4
cryptography
|
2
meltdown
|
14
firewalls
|
6
credit-card
|
4
encryption
|
2
embedded-system
|
14
network
|
6
office
|
4
null-byte-injection
|
1
denial-of-service
|
9
access-control
|
6
virus
|
4
ssh
|
1
memory
|
9
sandbox
|
4
web-application
× 2 |
2
random
|