AGAT SphereShield vs Hardshell: Side-by-Side Comparison (2026)

AGAT SphereShield: UC security platform with DLP, ethical wall, archive & eDiscovery. built by AGAT Software. Core capabilities include Ethical Wall: restricts communication between users, groups, or domains with granular activity-level controls (messaging, file sharing, audio/video, recording, desktop sharing), Real-time inline DLP inspection of files, messages, and images before content reaches the cloud or destination, Archive & eDiscovery: stores messages, files, audio, video, and meeting activities in cloud or on-premises repositories with search by user, date, channel, or text..

Hardshell: AI security platform protecting training data from poisoning and leakage. built by Hardshell. Core capabilities include Data poisoning detection and mitigation, Membership inference risk reduction, Model leakage prevention..

Both serve the LLM Guardrails market but differ in approach, feature depth, and target audience.

AGAT SphereShield differentiates with Ethical Wall: restricts communication between users, groups, or domains with granular activity-level controls (messaging, file sharing, audio/video, recording, desktop sharing), Real-time inline DLP inspection of files, messages, and images before content reaches the cloud or destination, Archive & eDiscovery: stores messages, files, audio, video, and meeting activities in cloud or on-premises repositories with search by user, date, channel, or text. Hardshell differentiates with Data poisoning detection and mitigation, Membership inference risk reduction, Model leakage prevention.

AGAT SphereShield is developed by AGAT Software. Hardshell is developed by Hardshell. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

AGAT SphereShield and Hardshell serve similar LLM Guardrails use cases. Review the feature comparison above to determine which fits your requirements.