Schneier on Security RSS<p>SIGINT During World War II</p><p>The NSA and GCHQ have jointly published a history of World War II SIGINT: “Secret Messengers: Disseminating SIGINT in the Second World War.” T... <a href="https://www.schneier.com/blog/archives/2025/08/sigint-during-world-war-ii.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">schneier.com/blog/archives/202</span><span class="invisible">5/08/sigint-during-world-war-ii.html</span></a></p><p> <a href="https://burn.capital/tags/historyofcryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>historyofcryptography</span></a> <a href="https://burn.capital/tags/historyofsecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>historyofsecurity</span></a> <a href="https://burn.capital/tags/Uncategorized" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Uncategorized</span></a> <a href="https://burn.capital/tags/intelligence" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>intelligence</span></a> <a href="https://burn.capital/tags/reports" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>reports</span></a> <a href="https://burn.capital/tags/GCHQ" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GCHQ</span></a> <a href="https://burn.capital/tags/NSA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NSA</span></a> <a href="https://burn.capital/tags/war" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>war</span></a></p>