- S3 Graphics
- Safari
- Safe Harbor
- Samba
- Samsung
- Samsung Bixby
- Samsung Galaxy
- Samsung Galaxy Note 7
- Samsung Galaxy Note 8
- Samsung Galaxy S6
- Samsung Galaxy S7
- Samsung Galaxy S8
- Samsung Galaxy S9
- Samsung Galaxy Tab
- Samsung Gear
- Sandbox
- SanDisk
- SANYO
- SAP
- SATA
- SATA 6G
- Satellit
- Saturn (Planet)
- SCADA
- Scanner
- Scareware
- schülerVZ
- Science Fiction
- SCO
- Scoring
- Scrum
- SD-Karte
- SDK
- SDL
- Seagate
- Secunia PSI
- Secure Boot
- Selfie
- Sensortechnik
- SEO
- SEPA
- Serial Attached SCSI
- Server
- Serviceorientierte Architektur
- Sharehoster
- SharePoint
- Sharp
- Sicherheit 2.0
- Sicherheitslücken
- Siemens
- SIGGRAPH
- Sigma
- SIM-Karte
- SIM-Lock
- Siri
- Skimming
- Skriptsprachen
- Sky
- Skylake
- Skype
- SLES
- Smart Grid
- Smart Home
- Smart Meter
- Smart-TV
- SmartCard
- Smartphones
- Smartwatch
- SMB
- SMS
- Snapchat
- SoC
- Social Media
- SoftMaker Office
- Software AG
- Software as a Service
- Softwarearchitektur
- Softwareentwicklung
- Solar Impulse 2
- Solarenergie
- Sony
- Sony Alpha
- Sony Mobile Communications
- Sony Project Morpheus
- Sony-Pictures-Hack
- Sophos
- SpaceX
- Spam
- Speicher
- Speicherchip
- Speicherdienste
- Spiele
- Spielkonsolen
- Spionage
- Spotify
- Spracherkennung
- Sprachverarbeitung
- Spring
- Spyware
- SQL
- SQL Server
- SQL-Injection
- SSD
- SSH
- SSL
- Stagefright
- Stammzellen
- Stanford University
- Statistisches Bundesamt
- Steam
- Steam Box
- SteamOS
- Steuerrecht
- Steve Ballmer
- Steve Jobs
- Störerhaftung
- Strato
- Streaming
- Streik
- Stromversorgung
- Studie
- Studium
- StudiVZ
- Stuxnet
- Subventionen
- Suchmaschinen
- SugarCRM
- Supercomputer
- Superzoom
- Suse Linux
- Switch
- Sybase
- Symantec
- Symbian
- Synaxon
- Syrien
- System-on-Chip
- Systemkamera
- Systemverwaltung