S
- Safeguard
- Sandbox
- Scrambler
- Second preimage resistant hash function
- Secret exchange protocol
- Secret key
- Secret key cryptosystem, symmetric cryptosystem
- Secret sharing protocol
- Secret sharing scheme
- Secure coding
- Secure electronic signature device
- Secure hash standard (SHS)
- Secure messaging encryption
- Secure operating system
- Secure signature creation device, SSCD
- Secure state
- Secure wipe
- Security
- Security administrator
- Security architecture
- Security attribute
- Security audit
- Security domain
- Security evaluation
- Security event management (SEM)
- Security flaw
- Security function
- Security function policy
- Security gateway
- Security goal
- Security information and event management (SIEM)
- Security information management (SIM)
- Security kernel
- Security kernel
- Security label
- Security objective
- Security objective
- Security of a cryptographic primitive
- Security operation center, SOC
- Security policy
- Security policy model
- Security policy violator
- Security policy violator’s model
- Security policys
- Security service
- Security services
- Security system violation
- Security target
- Security violation
- Selective field integrity
- Selective forgery
- Self-service cash-in terminal
- Semiformal
- Sender authentication
- Sensitive data
- Sensitive information
- Separation of duties
- Sequential key search
- Sequential key search
- Serial test
- Sertification authority
- Service
- Session encryption
- Session key
- Shadow copy service
- Share, secret share
- Shared access
- Signature generation algorithm
- Signature generation algorithm
- Signature key
- Signature space
- Signature verification algorithm
- Signature verification data
- Simmons authentication theory
- Single sign-on (SSO)
- Skimming
- Smart contract
- Sniffer
- Sniffer
- Sniffing
- Social engineering
- Software
- Software cryptographic mechanism
- Software dissemination
- Software encryption
- Software modification
- Software security module
- Solution Свойство документа, определяющее, что ни в его содержательную, ни в реквизитную части не вносилось никаких изменений [ ГОСТ 2.051-2013 ].
- Space complexity
- Spam
- Split knowledge
- Spoofing
- Spoofing attack
- Spyware
- SQL injection
- Standard
- Standardization
- Standardization guidelines
- Statistical cryptanalysis
- Steganography
- Step (of a protocol), protocol action
- Stream cipher ciphering module
- Stream cipher control module
- Stream ciphering system
- Stream encryption algorithm, stream cipher
- Strength of function
- Subject
- Subject
- Subject
- Substitution
- Substitution cipher
- Supervisory control and data acquisition (SCADA)
- Synchrosignal
- System
- System availability
- System of protection from unauthorized access to information
- System security
- System viability