diff --git a/src/domain/session/rightpanel/MemberDetailsViewModel.js b/src/domain/session/rightpanel/MemberDetailsViewModel.js
index df622aae..0eabf33a 100644
--- a/src/domain/session/rightpanel/MemberDetailsViewModel.js
+++ b/src/domain/session/rightpanel/MemberDetailsViewModel.js
@@ -17,6 +17,7 @@ limitations under the License.
 import {ViewModel} from "../../ViewModel";
 import {RoomType} from "../../../matrix/room/common";
 import {avatarInitials, getIdentifierColorNumber, getAvatarHttpUrl} from "../../avatar";
+import {UserTrust} from "../../../matrix/verification/CrossSigning";
 
 export class MemberDetailsViewModel extends ViewModel {
     constructor(options) {
@@ -29,14 +30,14 @@ export class MemberDetailsViewModel extends ViewModel {
         this._session = options.session;
         this.track(this._powerLevelsObservable.subscribe(() => this._onPowerLevelsChange()));
         this.track(this._observableMember.subscribe( () => this._onMemberChange()));
-        this._isTrusted = false;
+        this._userTrust = undefined;
         this.init(); // TODO: call this from parent view model and do something smart with error view model if it fails async?
     }
 
     async init() {
         if (this.features.crossSigning) {
-            this._isTrusted = await this.logger.run({l: "MemberDetailsViewModel.verify user", id: this._member.userId}, log => {
-                return this._session.crossSigning.isUserTrusted(this._member.userId, log);
+            this._userTrust = await this.logger.run({l: "MemberDetailsViewModel.get user trust", id: this._member.userId}, log => {
+                return this._session.crossSigning.getUserTrust(this._member.userId, log);
             });
             this.emitChange("isTrusted");
         }
@@ -44,7 +45,35 @@ export class MemberDetailsViewModel extends ViewModel {
 
     get name() { return this._member.name; }
     get userId() { return this._member.userId; }
-    get isTrusted() { return this._isTrusted; }
+    get isTrusted() { return this._userTrust === UserTrust.Trusted; }
+    get trustDescription() {
+        switch (this._userTrust) {
+            case UserTrust.Trusted: return this.i18n`You have verified this user. This user has verified all of their sessions.`;
+            case UserTrust.UserNotSigned: return this.i18n`You have not verified this user.`;
+            case UserTrust.UserSignatureMismatch: return this.i18n`You appear to have signed this user, but the signature is invalid.`;
+            case UserTrust.UserDeviceNotSigned: return this.i18n`You have verified this user, but they have one or more unverified sessions.`;
+            case UserTrust.UserDeviceSignatureMismatch: return this.i18n`This user has a session signature that is invalid.`;
+            case UserTrust.UserSetupError: return this.i18n`This user hasn't set up cross-signing correctly`;
+            case UserTrust.OwnSetupError: return this.i18n`Cross-signing wasn't set up correctly on your side.`;
+            default: return this.i18n`Pending…`;
+        }
+    }
+    get trustShieldColor() {
+        if (!this._isEncrypted) {
+            return undefined;
+        }
+        switch (this._userTrust) {
+            case undefined:
+            case UserTrust.OwnSetupError:
+                return undefined;
+            case UserTrust.Trusted:
+                return "green";
+            case UserTrust.UserNotSigned:
+                return "black";
+            default:
+                return "red";
+        }
+    }
 
     get type() { return "member-details"; }
     get shouldShowBackButton() { return true; }
diff --git a/src/platform/web/ui/session/rightpanel/MemberDetailsView.js b/src/platform/web/ui/session/rightpanel/MemberDetailsView.js
index 45504a74..aa70d5b4 100644
--- a/src/platform/web/ui/session/rightpanel/MemberDetailsView.js
+++ b/src/platform/web/ui/session/rightpanel/MemberDetailsView.js
@@ -27,6 +27,8 @@ export class MemberDetailsView extends TemplateView {
 
         if (vm.features.crossSigning) {
             securityNodes.push(t.p(vm => vm.isTrusted ? vm.i18n`This user is trusted` : vm.i18n`This user is not trusted`));
+            securityNodes.push(t.p(vm => vm.trustDescription));
+            securityNodes.push(t.p(["Shield color: ", vm => vm.trustShieldColor]));
         }
 
         return t.div({className: "MemberDetailsView"},