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We care deeply about your privacy. So we put in place effective mechanisms that prevent unwanted snooping, while making it surprisingly convenient for you. There's iris scanning for airtight security, face recognition for unlocking your phone right away, and defense-grade security that stands guard around the clock.

Right profile of person getting iris scan on Galaxy S8
Galaxy S8 being held up for iris scanning

Iris scan

The patterns in your irises are unique to you and are virtually impossible to replicate, meaning iris authentication is one of the safest ways to keep your phone locked and the contents private.

Illustration of eye inside a circle for iris scanner
  • Illustration of eye inside a circle for iris scanner
    IRIS
  • Illustration of facial recognition
    Face recognition
  • Illustration of fingerprint
    Fingerprint
  • Illustration of pattern
    Pattern
  • Illustration of password
    Password
  • Illustration of PIN
    PIN

Three hassle-free ways to unlock your phone

Life is so much easier and simpler without the trouble of having to remember one more password, one more PIN. And that's why the Galaxy S8 and S8+ come with three easy ways to unlock your phone.

Iris Scanner

Open with your eyes

Hold up your Galaxy S8 or S8+ and align your eyes with the twin circles on-screen to scan your irises. Your phone is unlocked with a look.

Circles around eyes of a person showing iris scanning
Iris scanning

Face Recognition

Open with your face

Raise your phone as if taking a selfie to use face recognition. It's a fast and effortless way to unlock your Galaxy S8 or S8+.

*Face recognition is less secure than pattern, PIN, or password.

  • Faces of three different people being detected for face recognition on Galaxy S8 screen
  • Faces of three different people being detected for face recognition on Galaxy S8 screen
  • Faces of three different people being detected for face recognition on Galaxy S8 screen

Fingerprint Scanner

Open with a touch

As you pick up your Galaxy S8 or S8+, your finger goes naturally to the fingerprint sensor on the back and it's unlocked in one seamless move. You don't even have to wake up the phone first.

Hand holding Galaxy S8 showing fingerprint sensor on the back of the phone
Finger on transparent Galaxy S8 fingerprint sensor
Fingerprint

Convenient
and safe

Some of the most sensitive activities like paying with your credit or debit card and accessing bank accounts is fast, easy, and secure on your Galaxy S8 or S8+ with its selection of authentication options, including biometric verification. Scan your irises or fingerprint to make purchases with Samsung Pay in-store, check your bank accounts via Samsung Pass, and log into your favorite sites right away with the Web sign-in feature. Keep private files and apps separately in the Secure Folder to keep them accessible only to you.

Defense-grade security from the chip up

The enhanced security offered by Samsung Knox has been approved by 29 governments worldwide. Its chip-level security reinforces several layers of protection that work at hardware and software levels. On the Galaxy S8 and S8+, the upgraded Knox 2.8 is in position to safeguard your data around the clock.

Image showing the layers of knox security from the chip up.
Motion showing blue lines surround the shield icon
Knox Container Illustrative layer of the Galaxy S8 showing KNOX Container
SE for Android Illustrative layer of the Galaxy S8 showing SE for Android
TIMA Illustrative layer of the Galaxy S8 showing TIMA
Secure Boot & Trusted Boot Illustrative layer of the Galaxy S8 showing Secure Boot & Trusted Boot
Hardware Root of Trust
Illustrative layer of the Galaxy S8 showing Hardware Root of Trust
  • Illustrative icon depicting defense-grade securityMulti-layered security
  • Illustrative icon depicting real-time protectionReal-time protection
  • Illustrative icon depicting hardware-based encryptionHardware-based encryption
  • Illustrative icon depicting worldwide certificationWorldwide certification

*Government certification data up-to-date as of March 2017.

*To activate Knox Container, purchase of Knox license is required.

*TIMA is TrustZone-based Integrity Measurement Architecture