diff --git a/apps/wallet/build/plugins/with-ic-assets.plugin.spec.ts b/apps/wallet/build/plugins/with-ic-assets.plugin.spec.ts
new file mode 100644
index 000000000..723021864
--- /dev/null
+++ b/apps/wallet/build/plugins/with-ic-assets.plugin.spec.ts
@@ -0,0 +1,76 @@
+import { existsSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from 'fs';
+import { tmpdir } from 'os';
+import { join, resolve } from 'path';
+import { afterEach, beforeEach, describe, expect, it } from 'vitest';
+import { withIcAssetsFile } from './with-ic-assets.plugin';
+
+type IcAssetsRule = { match: string; headers?: Record<string, string> };
+
+const CANISTER_IDS_PATH = resolve(__dirname, '../../../../canister_ids.json');
+
+const INDEX_HTML = '<script>window.inline = true;</script><script src="/main.js"></script>';
+// sha256 of the inline script above, base64 encoded.
+const INLINE_SCRIPT_HASH = "'sha256-5n2DSRDGaWy2SggN68iONM84vDSa6opmut5FktFmjLE='";
+
+const runWriteBundle = (dir: string): void => {
+  const plugin = withIcAssetsFile({ isProduction: true });
+  const writeBundle = plugin.writeBundle as unknown as (options: { dir: string }) => void;
+
+  writeBundle.call({}, { dir });
+};
+
+const readHeadersForAllAssets = (dir: string): Record<string, string> => {
+  const rules: IcAssetsRule[] = JSON.parse(readFileSync(join(dir, '.ic-assets.json'), 'utf-8'));
+
+  return rules.find(rule => rule.match === '**/*')?.headers ?? {};
+};
+
+describe('with-ic-assets plugin', () => {
+  let outDir: string;
+
+  beforeEach(() => {
+    outDir = mkdtempSync(join(tmpdir(), 'orbit-wallet-dist-'));
+    writeFileSync(join(outDir, 'index.html'), INDEX_HTML);
+  });
+
+  afterEach(() => {
+    rmSync(outDir, { recursive: true, force: true });
+  });
+
+  it('writes .ic-assets.json into the build output', () => {
+    runWriteBundle(outDir);
+
+    expect(existsSync(join(outDir, '.ic-assets.json'))).toBe(true);
+  });
+
+  it('sets the security headers on every asset', () => {
+    runWriteBundle(outDir);
+    const headers = readHeadersForAllAssets(outDir);
+
+    expect(headers['X-Frame-Options']).toBe('DENY');
+    expect(headers['X-Content-Type-Options']).toBe('nosniff');
+    expect(headers['Content-Security-Policy']).toContain("default-src 'none'");
+    expect(headers['Content-Security-Policy']).toContain("frame-ancestors 'none'");
+  });
+
+  it('allows the inline scripts of index.html by their hash', () => {
+    runWriteBundle(outDir);
+
+    expect(readHeadersForAllAssets(outDir)['Content-Security-Policy']).toContain(
+      INLINE_SCRIPT_HASH,
+    );
+  });
+
+  it('allows downloads from every wasm chunk store in canister_ids.json', () => {
+    runWriteBundle(outDir);
+    const csp = readHeadersForAllAssets(outDir)['Content-Security-Policy'] ?? '';
+    const connectSrc = csp.split('; ').find(directive => directive.startsWith('connect-src '));
+    const canisterIds = JSON.parse(readFileSync(CANISTER_IDS_PATH, 'utf-8'));
+    const stores = Object.values(canisterIds.wasm_chunk_store ?? {}) as string[];
+
+    expect(stores.length).toBeGreaterThan(0);
+    for (const store of stores) {
+      expect(connectSrc?.split(' ')).toContain(`https://${store}.icp0.io`);
+    }
+  });
+});
diff --git a/apps/wallet/build/plugins/with-ic-assets.plugin.ts b/apps/wallet/build/plugins/with-ic-assets.plugin.ts
index f2b54e188..75fb09c07 100644
--- a/apps/wallet/build/plugins/with-ic-assets.plugin.ts
+++ b/apps/wallet/build/plugins/with-ic-assets.plugin.ts
@@ -4,6 +4,13 @@ import { Plugin } from 'vite';
 import { load } from 'cheerio';
 import { createHash } from 'node:crypto';
 
+// The wasm chunk stores of the control-panel registry, `wasm_chunk_store` in canister_ids.json.
+// Disaster recovery downloads registry modules from their HTTP interface.
+const WASM_CHUNK_STORE_ORIGINS = [
+  'https://f2mu6-kiaaa-aaaam-advhq-cai.icp0.io', // production
+  'https://lwcm6-3aaaa-aaaam-qb7ba-cai.icp0.io', // playground
+];
+
 const getContentSecurityPolicy = (
   isProduction: boolean,
   dynamicCspHeaders: Record<string, string[]> = {},
@@ -18,6 +25,7 @@ const getContentSecurityPolicy = (
       'https://ic0.app',
       'https://icp0.io',
       'https://3r4gx-wqaaa-aaaaq-aaaia-cai.icp0.io', // SNS aggregator
+      ...WASM_CHUNK_STORE_ORIGINS,
     ],
     'img-src': ["'self'", 'data:'],
     'font-src': ["'self'"],
@@ -96,16 +104,18 @@ const createICAssetsJson = (
 };
 
 export const withIcAssetsFile = (
-  opts: { isProduction?: boolean; publicDir?: string; fileName?: string } = {},
+  opts: { isProduction?: boolean; fileName?: string } = {},
 ): Plugin => {
   const isProduction = opts.isProduction ?? true;
-  const publicDir = opts.publicDir ?? 'public';
   const fileName = opts.fileName ?? '.ic-assets.json';
 
   return {
     name: 'with-ic-assets',
     writeBundle({ dir }) {
-      const icAssetsPath = resolve(__dirname, '../..', publicDir, fileName);
+      // Written into the build output, so that the release artifact carries the headers. Release
+      // deploys upload that artifact as is. Vite copies public/ before this hook runs, so a file
+      // written there would only reach the output of a later build, and never a clean one.
+      const icAssetsPath = resolve(dir!, fileName);
       const indexHtml = resolve(dir!, 'index.html');
       const indexContent = readFileSync(indexHtml, { encoding: 'utf-8' });
       const virtualDOM = load(indexContent);
diff --git a/apps/wallet/build/plugins/with-versioned-entrypoint.plugin.ts b/apps/wallet/build/plugins/with-versioned-entrypoint.plugin.ts
index a0559285e..2dd7f0bb7 100644
--- a/apps/wallet/build/plugins/with-versioned-entrypoint.plugin.ts
+++ b/apps/wallet/build/plugins/with-versioned-entrypoint.plugin.ts
@@ -103,8 +103,10 @@ export const withVersionedEntrypoint = (
         encoding: 'utf-8',
       });
 
-      // copy everything from the public directory to the versioned directory
-      copyFolderRecursiveSync(publicDir, versionDir, [/.DS_Store/]);
+      // copy everything from the public directory to the versioned directory, except a leftover
+      // .ic-assets.json from older builds: nested under the versioned directory it would override
+      // the one with-ic-assets writes at the root of the output.
+      copyFolderRecursiveSync(publicDir, versionDir, [/.DS_Store/, /\.ic-assets\.json5?$/]);
     },
     configureServer(server) {
       server.middlewares.use((req, res, next) => {