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How Miracast P2P Security Works with ScreenBeam

This article is applicable to ScreenBeam 1xxx, 960 and 750 products.

Miracast provides a secure, peer-to-peer wireless presentation connection between a compatible source device, such as a Windows laptop, and a ScreenBeam receiver. Unlike traditional wireless presentation solutions that may require the presenter to join a common network, Miracast can establish a direct connection using Wi-Fi Direct.

What Security Is Used for Miracast P2P?

Miracast P2P connections are not open wireless connections. ScreenBeam uses WPA2 security to protect the Miracast wireless connection and AES-128 encryption to protect presentation content transmitted during the session.

ScreenBeam also supports PIN-based pairing, which helps verify that the presenter is connecting to the intended receiver and prevents unauthorized users nearby from starting a presentation session.

The primary security protections include:

  • WPA2 security for the Miracast P2P wireless connection
  • AES-128 encryption for presentation session data
  • PIN pairing to authorize a presenter before a connection is established

Enhanced Miracast P2P Security

For environments requiring additional protection, administrators can enable Enhanced Miracast P2P Security under Advanced Settings on the ScreenBeam receiver.

When enabled, ScreenBeam requires PIN pairing for every Miracast P2P connection attempt and generates a new passphrase for each connection. This provides additional protection against unauthorized or previously paired devices reconnecting without user verification.

Because the security credentials are regenerated and pairing must be completed for each session, enabling this feature may increase the amount of time required to establish a Miracast connection. Organizations should consider the tradeoff between additional connection security and connection speed based on their environment and security requirements.

Bottom Line

Miracast P2P with ScreenBeam provides a secured wireless presentation connection. The connection is protected using WPA2 security and AES-128 encryption, while PIN pairing provides an additional layer of authorization.

For higher-security environments, Enhanced Miracast P2P Security can be enabled to require a new PIN/passphrase for every connection attempt. This strengthens protection against unauthorized connections, although it may result in slightly longer connection times.