diff --git a/src/component-index.js b/src/component-index.js
index e83de8739dd..99882e784fd 100644
--- a/src/component-index.js
+++ b/src/component-index.js
@@ -79,8 +79,6 @@ import views$dialogs$ErrorDialog from './components/views/dialogs/ErrorDialog';
 views$dialogs$ErrorDialog && (module.exports.components['views.dialogs.ErrorDialog'] = views$dialogs$ErrorDialog);
 import views$dialogs$InteractiveAuthDialog from './components/views/dialogs/InteractiveAuthDialog';
 views$dialogs$InteractiveAuthDialog && (module.exports.components['views.dialogs.InteractiveAuthDialog'] = views$dialogs$InteractiveAuthDialog);
-import views$dialogs$LogoutPrompt from './components/views/dialogs/LogoutPrompt';
-views$dialogs$LogoutPrompt && (module.exports.components['views.dialogs.LogoutPrompt'] = views$dialogs$LogoutPrompt);
 import views$dialogs$NeedToRegisterDialog from './components/views/dialogs/NeedToRegisterDialog';
 views$dialogs$NeedToRegisterDialog && (module.exports.components['views.dialogs.NeedToRegisterDialog'] = views$dialogs$NeedToRegisterDialog);
 import views$dialogs$QuestionDialog from './components/views/dialogs/QuestionDialog';
diff --git a/src/components/structures/UserSettings.js b/src/components/structures/UserSettings.js
index 4a1332be8ce..0231bc5038a 100644
--- a/src/components/structures/UserSettings.js
+++ b/src/components/structures/UserSettings.js
@@ -228,8 +228,26 @@ module.exports = React.createClass({
     },
 
     onLogoutClicked: function(ev) {
-        var LogoutPrompt = sdk.getComponent('dialogs.LogoutPrompt');
-        this.logoutModal = Modal.createDialog(LogoutPrompt);
+        var QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
+        Modal.createDialog(QuestionDialog, {
+            title: "Sign out?",
+            description:
+                <div>
+                    For security, logging out will delete any end-to-end encryption keys from this browser,
+                    making previous encrypted chat history unreadable if you log back in.
+                    In future this <a href="https://github.com/vector-im/riot-web/issues/2108">will be improved</a>,
+                    but for now be warned.
+                </div>,
+            button: "Sign out",
+            onFinished: (confirmed) => {
+                if (confirmed) {
+                    dis.dispatch({action: 'logout'});
+                    if (this.props.onFinished) {
+                        this.props.onFinished();
+                    }
+                }
+            },
+        });
     },
 
     onPasswordChangeError: function(err) {
diff --git a/src/components/structures/login/ForgotPassword.js b/src/components/structures/login/ForgotPassword.js
index 5037136b1df..2c10052b98e 100644
--- a/src/components/structures/login/ForgotPassword.js
+++ b/src/components/structures/login/ForgotPassword.js
@@ -87,10 +87,26 @@ module.exports = React.createClass({
             this.showErrorDialog("New passwords must match each other.");
         }
         else {
-            this.submitPasswordReset(
-                this.state.enteredHomeserverUrl, this.state.enteredIdentityServerUrl,
-                this.state.email, this.state.password
-            );
+            var QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
+            Modal.createDialog(QuestionDialog, {
+                title: "Warning",
+                description:
+                    <div>
+                        Resetting password will currently reset any end-to-end encryption keys on all devices,
+                        making encrypted chat history unreadable.
+                        In future this <a href="https://github.com/vector-im/riot-web/issues/2671">may be improved</a>,
+                        but for now be warned.
+                    </div>,
+                button: "Continue",
+                onFinished: (confirmed) => {
+                    if (confirmed) {
+                        this.submitPasswordReset(
+                            this.state.enteredHomeserverUrl, this.state.enteredIdentityServerUrl,
+                            this.state.email, this.state.password
+                        );
+                    }
+                },
+            });
         }
     },
 
diff --git a/src/components/views/dialogs/LogoutPrompt.js b/src/components/views/dialogs/LogoutPrompt.js
deleted file mode 100644
index c4bd7a0474e..00000000000
--- a/src/components/views/dialogs/LogoutPrompt.js
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
-Copyright 2015, 2016 OpenMarket Ltd
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-var React = require('react');
-var dis = require("../../../dispatcher");
-
-module.exports = React.createClass({
-    displayName: 'LogoutPrompt',
-
-    propTypes: {
-        onFinished: React.PropTypes.func,
-    },
-
-    logOut: function() {
-        dis.dispatch({action: 'logout'});
-        if (this.props.onFinished) {
-            this.props.onFinished();
-        }
-    },
-
-    cancelPrompt: function() {
-        if (this.props.onFinished) {
-            this.props.onFinished();
-        }
-    },
-
-    onKeyDown: function(e) {
-        if (e.keyCode === 27) { // escape
-            e.stopPropagation();
-            e.preventDefault();
-            this.cancelPrompt();
-        }
-    },
-
-    render: function() {
-        return (
-            <div>
-                <div className="mx_Dialog_content">
-                    Sign out?
-                </div>
-                <div className="mx_Dialog_buttons" onKeyDown={ this.onKeyDown }>
-                    <button className="mx_Dialog_primary" autoFocus onClick={this.logOut}>Sign Out</button>
-                    <button onClick={this.cancelPrompt}>Cancel</button>
-                </div>
-            </div>
-        );
-    }
-});
-
diff --git a/src/components/views/settings/ChangePassword.js b/src/components/views/settings/ChangePassword.js
index a011d5262e3..8a3c46bcfd9 100644
--- a/src/components/views/settings/ChangePassword.js
+++ b/src/components/views/settings/ChangePassword.js
@@ -18,6 +18,7 @@ limitations under the License.
 
 var React = require('react');
 var MatrixClientPeg = require("../../../MatrixClientPeg");
+var Modal = require("../../../Modal");
 var sdk = require("../../../index");
 
 module.exports = React.createClass({
@@ -65,26 +66,42 @@ module.exports = React.createClass({
     changePassword: function(old_password, new_password) {
         var cli = MatrixClientPeg.get();
 
-        var authDict = {
-            type: 'm.login.password',
-            user: cli.credentials.userId,
-            password: old_password
-        };
+        var QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
+        Modal.createDialog(QuestionDialog, {
+            title: "Warning",
+            description:
+                <div>
+                    Changing password will currently reset any end-to-end encryption keys on all devices,
+                    making encrypted chat history unreadable.
+                    This will be <a href="https://github.com/vector-im/riot-web/issues/2671">improved shortly</a>,
+                    but for now be warned.
+                </div>,
+            button: "Continue",
+            onFinished: (confirmed) => {
+                if (confirmed) {
+                    var authDict = {
+                        type: 'm.login.password',
+                        user: cli.credentials.userId,
+                        password: old_password
+                    };
 
-        this.setState({
-            phase: this.Phases.Uploading
+                    this.setState({
+                        phase: this.Phases.Uploading
+                    });
+
+                    var self = this;
+                    cli.setPassword(authDict, new_password).then(function() {
+                        self.props.onFinished();
+                    }, function(err) {
+                        self.props.onError(err);
+                    }).finally(function() {
+                        self.setState({
+                            phase: self.Phases.Edit
+                        });
+                    }).done();
+                }
+            },
         });
-
-        var self = this;
-        cli.setPassword(authDict, new_password).then(function() {
-            self.props.onFinished();
-        }, function(err) {
-            self.props.onError(err);
-        }).finally(function() {
-            self.setState({
-                phase: self.Phases.Edit
-            });
-        }).done();
     },
 
     onClickChange: function() {