{"id":62791,"date":"2024-02-13T10:37:23","date_gmt":"2024-02-13T15:37:23","guid":{"rendered":"https:\/\/memberpress.com\/docs\/how-to-prevent-card-testing-and-fraudulent-sign-ups\/"},"modified":"2024-12-20T09:02:07","modified_gmt":"2024-12-20T14:02:07","slug":"how-to-prevent-card-testing-and-fraudulent-sign-ups","status":"publish","type":"ht_kb","link":"https:\/\/memberpress.com\/de\/docs\/how-to-prevent-card-testing-and-fraudulent-sign-ups\/","title":{"rendered":"So verhindern Sie Kartentests und betr\u00fcgerische Anmeldungen mit Stripe"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Sie haben innerhalb kurzer Zeit eine Zunahme von fehlgeschlagenen oder erfolgreichen Zahlungen bemerkt und bei einer Untersuchung festgestellt, dass Ihre Website f\u00fcr Kartentests genutzt wird - was tun Sie jetzt?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Umstellung auf Stripe-Kasse<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Erstens, wenn Sie Stripe Elements verwenden, k\u00f6nnten Sie versuchen, zu Stripe Checkout zu wechseln:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Navigieren Sie zu <strong>Dashboard &gt; MemberPress &gt; Einstellungen &gt; Registerkarte Zahlungen<\/strong>.<\/li>\n\n\n\n<li>Finden Sie die <strong>Streifen <\/strong>Zahlungs-Gateway.<\/li>\n\n\n\n<li>Klicken Sie hier auf das Kontrollk\u00e4stchen neben der Option <strong>Streifenkasse<\/strong> Option.<\/li>\n<\/ol>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6ab16974b7851&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6ab16974b7851\" class=\"wp-block-image size-full wp-lightbox-container\"><img decoding=\"async\" width=\"2342\" height=\"693\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM.png\" alt=\"\" class=\"wp-image-66798\" srcset=\"https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM.png 2342w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-300x89.png 300w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-1024x303.png 1024w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-768x227.png 768w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-50x15.png 50w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-1536x455.png 1536w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-2048x606.png 2048w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-18x5.png 18w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-575x170.png 575w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-840x249.png 840w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-1216x360.png 1216w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-1832x542.png 1832w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-700x207.png 700w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-156x46.png 156w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/Image-2024-07-17-at-23031-PM-1080x320.png 1080w\" sizes=\"(max-width: 2342px) 100vw, 2342px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Die Umstellung auf \u201eStripe Checkout\u201c verhindert Kartentests an sich nicht. Der Zweck dieser Umstellung besteht darin, Kartentester, die Ihre Website angreifen, zu st\u00f6ren. Durch die Umstellung auf Stripe Checkout werden die Endpunkte deaktiviert, die Angreifer m\u00f6glicherweise nutzen, um Angriffe \u00fcber Stripe Elements durchzuf\u00fchren. Sobald Sie alle anderen in diesem Dokument genannten Sicherheitsupdates installiert haben und der Angriff vorbei ist, k\u00f6nnen Sie Stripe Elements wieder aktivieren.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kartenpr\u00fcfungsschutz einschalten<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gehe zu <strong><strong>Armaturenbrett &gt;<\/strong><\/strong> <strong>MemberPress &gt; Einstellungen &gt; Allgemein <\/strong>und sicherzustellen, dass <strong>Kartenpr\u00fcfungsschutz aktivieren<\/strong> gepr\u00fcft wird.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/memberpress.com\/wp-content\/uploads\/2024\/02\/file-GqCbqUHLu4.png\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Diese Funktion ist standardm\u00e4\u00dfig aktiviert, aber es empfiehlt sich, dies zu \u00fcberpr\u00fcfen. Wenn sie aktiviert ist, k\u00f6nnen Sie die Methode zum Abrufen der IP-Adresse des Benutzers \u00e4ndern.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wenn Ihre Website einen Front-End-Proxy verwendet:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aktivieren Sie <b>Verwenden Sie den HTTP-Header X-Forwarded-For <\/b>OR <b>Verwenden Sie den X-Real-IP HTTP-Header<\/b><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Wenn Ihre Website CloudFlare verwendet:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aktivieren Sie <b>Verwenden Sie den HTTP-Header CF-Connecting-IP<\/b><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Wenn Ihre Website NICHT CloudFlare oder einen Front-End-Proxy verwendet:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aktivieren Sie <b>Verwenden Sie die in PHP integrierte Funktion REMOTE_ADDR<\/b><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Radar-Einstellungen in Stripe aktivieren<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Stripe verf\u00fcgt \u00fcber die Funktion Stripe Radar, um betr\u00fcgerische Aktivit\u00e4ten zu erkennen und zu verhindern. Erfahren Sie mehr \u00fcber diese Einstellungen auf <a href=\"https:\/\/stripe.com\/docs\/radar\/risk-settings\">Risikoeinstellungen von Stripe<\/a> Seite.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stripe Radar bietet mehrere Karten\u00fcberpr\u00fcfungen an:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/docs.stripe.com\/disputes\/prevention\/verification#cvc-check\" target=\"_blank\" rel=\"noopener\" title=\"\">\u00dcberpr\u00fcfung der Kartenpr\u00fcfnummer (CVC)<\/a><\/strong>: Diese \u00dcberpr\u00fcfung verhindert, dass Zahlungen durchgef\u00fchrt werden, bei denen die CVC-Pr\u00fcfung fehlschl\u00e4gt. Der CVC ist der Sicherheitscode, der direkt auf der Karte des Nutzers aufgedruckt ist. Nutzer m\u00fcssen den korrekten CVC-Code im MemberPress-Registrierungsformular angeben, damit Stripe die Zahlung abwickeln kann.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/docs.stripe.com\/disputes\/prevention\/verification#avs-check\" target=\"_blank\" rel=\"noopener\" title=\"\">Adresspr\u00fcfung (AVS)<\/a><\/strong>: Diese \u00dcberpr\u00fcfung verhindert, dass Geb\u00fchren anfallen, falls die \u00dcberpr\u00fcfung der Postanschrift fehlschl\u00e4gt. Bei der Registrierung m\u00fcssen Nutzer die Postleitzahl und die Stra\u00dfenadresse im MemberPress-Registrierungsformular angeben. Stimmen diese Angaben nicht mit der beim Kartenaussteller (z. B. der Bank) hinterlegten Rechnungsadresse \u00fcberein, schl\u00e4gt die Zahlung fehl. <\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Installieren und aktivieren Sie das Captcha Add-On<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Die Kartenpr\u00fcfung basiert auf (in der Regel) automatisierten Bots, die wiederholt das Anmeldeformular f\u00fcr die Mitgliedschaft \u00fcbermitteln (Spam-Anmeldungen). Jedes Mal, wenn der Bot das Anmeldeformular abschickt, verwendet er andere (gestohlene) Zahlungsdaten, um zu pr\u00fcfen, ob die Daten korrekt sind. Das Hinzuf\u00fcgen eines Captcha zu Ihren Registrierungsformularen sollte helfen, Spam-Anmeldungen zu verhindern.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gehe zu <strong>Dashboard &gt; MemberPress &gt; Add-Ons<\/strong> und installieren und aktivieren Sie unsere <strong><a href=\"https:\/\/memberpress.com\/de\/addons\/math-captcha\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Mathe-Captcha-Zusatzmodul<\/a><\/strong>. Dadurch wird der Registrierungs- und Anmeldeseite ein einfaches mathematisches Captcha hinzugef\u00fcgt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sie k\u00f6nnen auch die <a href=\"https:\/\/wordpress.org\/plugins\/simple-cloudflare-turnstile\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Einfaches Cloudflare Drehkreuz - CAPTCHA Alternative<\/strong><\/a> oder ein anderes Captcha-Plugin. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au\u00dferdem k\u00f6nnen Sie das MemberPress Math Captcha Add-on gleichzeitig mit Cloudflare Turnstile (oder einem anderen Captcha Plugin) verwenden.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"turnstile\">Einfaches Cloudflare Drehkreuz Add-On<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cloudflare Turnstile sollte auch helfen, falls Ihre Website kompromittiert (gehackt) wird. <strong>Wenn Ihre Website gehackt wird, k\u00f6nnen Hacker m\u00f6glicherweise an Ihr Stripe-API-Client-Secret gelangen.<\/strong>. Dieser Schl\u00fcssel kann dann f\u00fcr Kartentests auch an anderen Stellen verwendet werden, die nichts mit Ihrer Website zu tun haben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wie bereits erw\u00e4hnt, sollten Sie die <a href=\"https:\/\/wordpress.org\/plugins\/simple-cloudflare-turnstile\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Einfaches Cloudflare Drehkreuz - CAPTCHA Alternative<\/strong><\/a> Plugin zum Hinzuf\u00fcgen der <a href=\"https:\/\/www.cloudflare.com\/products\/turnstile\/\" title=\"\"><strong>Cloudflare-Drehkreuz<\/strong><\/a> auf Ihrer Website.  Die integrierte MemberPress-Integration erm\u00f6glicht es Ihnen, Cloudflare Turnstile auf MemberPress-Anmelde- und Registrierungsformularen zu aktivieren. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Um das Plugin einzurichten, navigieren Sie zu <strong>Dashboard &gt; Einstellungen &gt; Cloudflare Turnstile<\/strong> und folgen Sie den <strong><a href=\"https:\/\/relywp.com\/blog\/how-to-add-cloudflare-turnstile-to-wordpress\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Plugin-Anleitung<\/a><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-danger\"><strong>Hinweis<\/strong>: Wenn Turnstile f\u00fcr WordPress Login aktiviert ist, wird die <strong>Nur auf der Standardseite wp-login.php aktivieren<\/strong> Unteroption verf\u00fcgbar. Bitte stellen Sie sicher, dass <strong>Deaktivieren Sie diese Unteroption, um Turnstile auf die MemberPress-Anmeldung anzuwenden.<\/strong> und halten Sie es sicher.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6ab16974ba3f7&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6ab16974ba3f7\" class=\"wp-block-image size-full wp-lightbox-container\"><img decoding=\"async\" width=\"1762\" height=\"1220\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM.png\" alt=\"\" class=\"wp-image-65392\" srcset=\"https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM.png 1762w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-300x208.png 300w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-1024x709.png 1024w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-768x532.png 768w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-50x35.png 50w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-1536x1064.png 1536w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-246x170.png 246w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-840x582.png 840w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-988x684.png 988w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-1488x1030.png 1488w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-700x485.png 700w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-156x108.png 156w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/05\/Image-2024-05-10-at-34115-PM-1080x748.png 1080w\" sizes=\"(max-width: 1762px) 100vw, 1762px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Dar\u00fcber hinaus k\u00f6nnen Sie MemberPress-Mitgliedschafts-IDs in das entsprechende Feld eintragen, um Turnstile nur auf bestimmte Anmeldeformulare anzuwenden.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aktualisieren Sie Ihre API-Schl\u00fcssel<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Wenn Sie alle oben genannten Vorschl\u00e4ge befolgt haben und die Kartenpr\u00fcfung noch nicht abgeschlossen ist, versuchen Sie bitte, Ihre Stripe-API-Anmeldedaten zu aktualisieren. F\u00fchren Sie dazu bitte die folgenden Schritte aus:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Melden Sie sich als Administrator auf Ihrer Website an. Nach der Anmeldung sollte die URL in der Adressleiste Ihres Browsers wie folgt lauten: https:\/\/yourdomain.com<strong>\/wp-admin\/<\/strong>.<\/li>\n\n\n\n<li>F\u00fcgen Sie Folgendes am Ende Ihrer aktuellen URL hinzu: <strong>admin.php?page=memberpress-options&amp;tasten-anzeigen<\/strong> (z.B.. <strong>https:\/\/yourdomain.com\/wp-admin\/admin.php?page=memberpress-options&amp;display-keys<\/strong>). W\u00e4hrend Sie sich noch in der Adressleiste befinden, <strong>dr\u00fccken Sie die Eingabetaste<\/strong> auf Ihrer Tastatur.<\/li>\n\n\n\n<li>Dies f\u00fchrt Sie zum MemberPress <strong>Einstellungen<\/strong> Seite (<strong>Dashboard &gt; MemberPress &gt; Einstellungen<\/strong>). Klicken Sie auf die <strong>Zahlungen <\/strong>tab.<\/li>\n\n\n\n<li>U<span style=\"margin: 0px; padding: 0px;\"><span style=\"margin: 0px; padding: 0px;\">in den Einstellungen des Stripe-Zahlungsgateways<\/span><\/span>, y<span style=\"margin: 0px; padding: 0px;\">Sie sollten eine neue <strong>Stripe-Berechtigungsnachweise aktualisieren<\/strong> Taste<\/span>. Klicken Sie auf diese Schaltfl\u00e4che, um Ihre Stripe-Anmeldedaten zu aktualisieren.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"665\" height=\"405\" src=\"https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/stripe.jpg\" alt=\"\" class=\"wp-image-66806\" srcset=\"https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/stripe.jpg 665w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/stripe-300x183.jpg 300w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/stripe-50x30.jpg 50w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/stripe-18x12.jpg 18w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/stripe-279x170.jpg 279w, https:\/\/memberpress.com\/wp-content\/uploads\/2024\/07\/stripe-156x95.jpg 156w\" sizes=\"(max-width: 665px) 100vw, 665px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Erstattung und Stornierung von betr\u00fcgerischen Zahlungen<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Wenn w\u00e4hrend des Kartentests erfolgreich Zahlungen erstellt wurden, erstatten Sie diese und k\u00fcndigen Sie diese Abonnements. Sie k\u00f6nnen dies entweder \u00fcber MemberPress auf Ihrer Website tun - oder \u00fcber Stripe. Wenn Sie dies \u00fcber Stripe tun, k\u00f6nnen Sie den Erstattungsgrund als \"Betrug\" kennzeichnen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In MemberPress gibt es keine M\u00f6glichkeit zur Stornierung und Erstattung in gro\u00dfen Mengen. Sie m\u00fcssen also eine nach der anderen durchf\u00fchren.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wir empfehlen au\u00dferdem, die E-Mail-Adressen und alle anderen Informationen \u00fcber die Abbuchung und die verwendete Karte zu notieren, damit Sie Kunden, die sich per E-Mail beschweren, versichern k\u00f6nnen, dass Sie die betr\u00fcgerische Abbuchung bereits erstattet haben. Wenn Sie die M\u00f6glichkeit haben, den Kunden direkt zu kontaktieren, teilen Sie ihm mit, was passiert ist.<\/p>","protected":false},"excerpt":{"rendered":"<p>You have noticed an increase in payments, either failed or successful over a short period of time, and upon investigation, realize that your site is being used for card testing &#8211; what do you do now? 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