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#dvcerts

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Erik van Straten<p>Risico Cloudflare (+Trump)</p><p>🌦️ Achter Cloudflare<br>Steeds meer websites zitten "achter" het Amerikaanse bedrijf Cloudflare. Stel u opent <a href="https://pvv.nl" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">pvv.nl</span><span class="invisible"></span></a> (let op, daar staat https:// vóór, Mastodon verstopt dat) in uw browser:</p><p> browser &lt;-1-&gt; Cloudflare &lt;-2-&gt; <a href="https://pvv.nl" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">pvv.nl</span><span class="invisible"></span></a></p><p>⛓️‍💥 Géén E2EE<br>Bij zeer veel websites (<a href="https://pvv.nl" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">pvv.nl</span><span class="invisible"></span></a> is een voorbeeld) is er sprake van twee *verschillende* verbindingen, dus beslist geen E2EE = End-to-End-Encryption (voor zover dat überhaupt nog wat zegt als de "echte" een cloud-server van Google, Microsoft of Amazon is).</p><p>🕋 CDN's<br>Cloudflare, een CDN (Content Delivery Network), heeft een wereldomspannend netwerk met "tunnel"-servers in computercentra van de meeste internetproviders. Waarschijnlijk ook bij u "om de hoek".</p><p>🔥 DDoS-aanvallen<br>Dat is werkt uitstekend tegen DDoS (Distributed Denial of Service) aanvallen. Ook zorgen CDN's voor veel snellere communicatie (mede doordat plaatjes e.d. op een web van servers "gecached" worden) - ook als de "echte" server aan de andere kant van de wereld staan.</p><p>🚨 Nadelen<br>Maar dit is NIET zonder prijs! Cloudflare kan namelijk *meekijken* in zeer veel "versleuteld" netwerkverkeer (en dat zelfs, desgewenst, wijzigen).</p><p>🚦 Nee, niet *u*<br>Ook kunnen Cloudflare-klanten allerlei regels instellen waar bezoekers aan moeten voldoen, en hen als "ongewenst" bezoek blokkeren (ook *criminele* klanten maken veelvuldig gebruik van deze mogelijkheid, o.a. om te voorkómen dat de makers van virusscanners nepwebsites op kwaadaardige inhoud kunnen checken).<br>Aanvulling 14:39: { zo kan ik, met Firefox Focus onder Android, <a href="https://cidi.nl" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">cidi.nl</span><span class="invisible"></span></a> *niet* openen, ik zie dan een pagina waarin o.a. staat "Even geduld, de website van Centrum Informatie en Documentatie Israël (CIDI) is aan het verifiëren of de verbinding veilig is. Please unblock challenges.cloudflare.com to proceed."<br>}</p><p>😎 Men In Black<br>Omdat Cloudflare een (tevens) in de VS gevestigd bedrijf is, moeten zij voldoen aan de Amerikaanse FISA section 702 wetgeving. Dat betekent dat hen opgedragen kan worden om internetverkeer te monitoren, en zij daar een zwijgplicht over hebben. Terwijl Amerikanen al minder privacy-rechten hebben dan Europeanen, hebben *niet*-Amerikanen *nul* privacyrechten volgens genoemde FISA wet.</p><p>🔓 Knip<br>Dat https-verbindingen via Cloudflare niet E2EE zijn, blijkt uit onderstaand plaatje (dat vast méér mensen wel eens gezien hebben).</p><p>📜 Certificaten en foutmeldingen<br>Dat plaatje kan, zonder certificaatfoutmeldingen, ALLEEN bestaan als Cloudflare een geldig authenticerend website-certificaat (een soort paspoort) heeft voor, in dit geval, <a href="https://bleepingcomputer.com" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">bleepingcomputer.com</span><span class="invisible"></span></a> - en dat hébben ze. Voor MILJOENEN websites.</p><p>🛃 MitM<br>Cloudflare (maar ook anderen, zoals Fastly) zijn een MitM (Man in the Middle).</p><p>🤔 De tweede verbinding?<br>Uw browser heeft, grotendeels transparant, een E2EE-verbinding met een Cloudflare server. U heeft géén idee wat voor soort verbinding Cloudflare met de werkelijke website heeft (is dat überhaupt https, en een veilige variant daarvan? Wat doet Cloudflare als het certificaat van de website verlopen is? Etc).</p><p>👽 AitM<br>En zodra een MitM kwaadaardig wordt, noemen we het een AitM (A van Attacker of Adversary).</p><p>🗽 Trump<br>Als Trump Cloudflare opdraagt om geen diensten meer aan NL of EU te leveren, werkt hier HELEMAAL NIETS MEER en dondert onze economie als een kaartenhuis in elkaar.</p><p>🃏 DV-certs<br>Dat Cloudflare een website-certificaat voor bijvoorbeeld <a href="https://vvd.nl" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">vvd.nl</span><span class="invisible"></span></a> of <a href="https://cidi.nl" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">cidi.nl</span><span class="invisible"></span></a> heeft verkregen, zou vreemd moeten zijn. Dit is echter een peuleschil "dankzij" DV (Domain Validated) certificaten (het lievelingetje van Google) die het internet steeds onveiliger maken en waar ook onze overheid "voor gevallen is" (zie <a href="https://infosec.exchange/@ErikvanStraten/114032329847123742" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">infosec.exchange/@ErikvanStrat</span><span class="invisible">en/114032329847123742</span></a>).</p><p>😱 Nepwebsites<br>Maar dit is nog niet alles: steeds meer criminele nepwebsites *verstoppen* zich achter Cloudflare, waar zijzelf (crimineel) geld aan verdient. Zie bijvoorbeeld <a href="https://security.nl/posting/876655" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">security.nl/posting/876655</span><span class="invisible"></span></a> (of kijk eens in het "RELATIONS" tabblad van <a href="https://www.virustotal.com/gui/ip-address/188.114.96.0/relations" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">virustotal.com/gui/ip-address/</span><span class="invisible">188.114.96.0/relations</span></a> en druk enkele keren op •••).</p><p><a href="https://infosec.exchange/tags/Risico" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Risico</span></a> <a href="https://infosec.exchange/tags/Economie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Economie</span></a> <a href="https://infosec.exchange/tags/Cloudflare" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cloudflare</span></a> <a href="https://infosec.exchange/tags/Fastly" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Fastly</span></a> <a href="https://infosec.exchange/tags/CDN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CDN</span></a> <a href="https://infosec.exchange/tags/AitM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AitM</span></a> <a href="https://infosec.exchange/tags/MitM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MitM</span></a> <a href="https://infosec.exchange/tags/FISASection702" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FISASection702</span></a> <a href="https://infosec.exchange/tags/FISA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FISA</span></a> <a href="https://infosec.exchange/tags/ThreeLetterAgencies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ThreeLetterAgencies</span></a> <a href="https://infosec.exchange/tags/Trump" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Trump</span></a> <a href="https://infosec.exchange/tags/Sbowden" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sbowden</span></a> <a href="https://infosec.exchange/tags/E2EE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>E2EE</span></a> <a href="https://infosec.exchange/tags/InfoSec" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>InfoSec</span></a> <a href="https://infosec.exchange/tags/VVD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>VVD</span></a> <a href="https://infosec.exchange/tags/PVV" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PVV</span></a> <a href="https://infosec.exchange/tags/CIDI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CIDI</span></a> <a href="https://infosec.exchange/tags/VT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>VT</span></a> <a href="https://infosec.exchange/tags/VirusTotal" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>VirusTotal</span></a> <a href="https://infosec.exchange/tags/DVCerts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DVCerts</span></a> <a href="https://infosec.exchange/tags/DV" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DV</span></a> <a href="https://infosec.exchange/tags/OV" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OV</span></a> <a href="https://infosec.exchange/tags/EV" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EV</span></a> <a href="https://infosec.exchange/tags/QWAC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>QWAC</span></a> <a href="https://infosec.exchange/tags/CyberCrime" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CyberCrime</span></a> <a href="https://infosec.exchange/tags/NepWebsites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NepWebsites</span></a> <a href="https://infosec.exchange/tags/FakeWebsites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FakeWebsites</span></a></p>
Erik van Straten<p><span class="h-card" translate="no"><a href="https://infosec.exchange/@mattm" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>mattm</span></a></span> : what a hoax. As if this wil fix the gigantic phishing and spoofing problems that actual internet USERS have to deal with.</p><p>I'v now counted more than 150 different Google Cloud Hosting servers facilitating a group of (Russian?) cybcercrims targeting Canadians with anonymous websites "authenticated" using Let's Encrypt certificates (recent example: <a href="https://www.virustotal.com/gui/ip-address/34.13.163.195/relations" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">virustotal.com/gui/ip-address/</span><span class="invisible">34.13.163.195/relations</span></a>; see also <a href="https://infosec.exchange/@ErikvanStraten/113737891651336874" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">infosec.exchange/@ErikvanStrat</span><span class="invisible">en/113737891651336874</span></a>).</p><p>And the images below show a fake Google Play store that uses a "GOOGLE TRUST SERVICES" certificate (more complicit idiots can be seen in <a href="https://crt.sh/?Identity=google-ivi.com" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">crt.sh/?Identity=google-ivi.com</span><span class="invisible"></span></a>). This site hides their *ss behind Cloudflare.</p><p>Are you drunk or what?</p><p><a href="https://infosec.exchange/tags/CT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CT</span></a> <a href="https://infosec.exchange/tags/DVCerts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DVCerts</span></a> <a href="https://infosec.exchange/tags/Spoofing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Spoofing</span></a> <a href="https://infosec.exchange/tags/Phishing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Phishing</span></a> <a href="https://infosec.exchange/tags/GoogleIsEvil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GoogleIsEvil</span></a> <a href="https://infosec.exchange/tags/BigTechIsEvil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BigTechIsEvil</span></a> <a href="https://infosec.exchange/tags/ComplicitInCybercrime" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ComplicitInCybercrime</span></a></p>
Erik van Straten<p><span class="h-card" translate="no"><a href="https://infosec.exchange/@bob_zim" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>bob_zim</span></a></span> : apart from the fact that online age verification can be easily bypassed, I expect online authentication (proving your identity as known by your government) to lead to massive numbers of identity fraud.</p><p>Reliable authentication necessitates that the VERIFIER is trustworthy. If not, they can impersonate you to a third party, using the digital proof that you provided.</p><p>Suppose you prefer watching sex with elderly women, and google "milf sex".</p><p>And suppose google comes up with rollatorbabes dot com. You go there and they demand that you prove you're old enough by sunmitting your electronic ID - and perhaps also a selfie "to prevent fraud". This may happen:</p><p> You &lt;-&gt; RollatorBabes &lt;-&gt; Visa</p><p>RollatorBabes forwards all auth details, except your home address (RollatorBabes changes that) to Visa - in order for them to obtain a creditcard - showing your name.</p><p>To prevent this, the first thing you need to know is WHO the verifier is. Not who they say they are, but reliably verified by a third party who deserves YOUR trust. So you can sue RollatorBabes if they fsck you.</p><p>Do you trust THEM, shown below?</p><p>See also <a href="https://infosec.exchange/@ErikvanStraten/113880125384919871" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">infosec.exchange/@ErikvanStrat</span><span class="invisible">en/113880125384919871</span></a>.</p><p><span class="h-card" translate="no"><a href="https://mastodon.social/@nazokiyoubinbou" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>nazokiyoubinbou</span></a></span> <span class="h-card" translate="no"><a href="https://hachyderm.io/@evacide" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>evacide</span></a></span> </p><p><a href="https://infosec.exchange/tags/GooglsIsEvil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GooglsIsEvil</span></a> <a href="https://infosec.exchange/tags/BigTechIsEvil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BigTechIsEvil</span></a> <a href="https://infosec.exchange/tags/DVcerts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DVcerts</span></a> <a href="https://infosec.exchange/tags/GTS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GTS</span></a> <a href="https://infosec.exchange/tags/BrowsersAnonimizingWebSites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BrowsersAnonimizingWebSites</span></a> <a href="https://infosec.exchange/tags/AnonimousWebSites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AnonimousWebSites</span></a> <a href="https://infosec.exchange/tags/YouAreTheProduct" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>YouAreTheProduct</span></a></p>