all-in-one privacy solution":["Proton Unlimited es solución de privacidad más completa"],"Black Friday":["Black Friday"],"No ads. Privacy by default.":["Sin publicidad. La privacidad por bandera."],"People before profits":["Nos importan las personas, no los beneficios"],"Security through transparency":["Seguridad con transparencia"],"The best Proton Mail ${ BLACK_FRIDAY } deals":["Las mejores ofertas del ${ BLACK_FRIDAY } de Proton Mail"],"The world’s only community- supported email service":["El único servicio de correo electrónico con apoyo de la comunidad"]},"specialoffer:limited":{"${ hours } hour":["${ hours } hora","${ hours } horas"],"${ hoursLeft }, ${ minutesLeft } and ${ secondsLeft } left":["Tiempo restante: ${ hoursLeft }, ${ minutesLeft } y ${ secondsLeft }"],"${ minutes } minute":["${ minutes } minuto","${ minutes } minutos"],"${ seconds } second":["${ seconds } segundo","${ seconds } segundos"],"Limited time offer":["Oferta por tiempo limitado"]},"specialoffer:listitem":{"Create multiple addresses":["Crea varias direcciones"],"Hide-my-email aliases":["Alias de hide-my-email"],"Quickly unsubscribe from newsletters":["Date de baja rápidamente de boletines"],"Use your own domain name":["Usa tu propio nombre de dominio"]},"specialoffer:logos":{"As featured in":["Hablan de nosotros"]},"specialoffer:metadescription":{"Get an encrypted email that protects your privacy":["Apuesta por un servicio de correo electrónico cifrado que protege tu privacidad"]},"specialoffer:metatitle":{"Proton Mail Black Friday Sale - Up to 40% off":["Rebajas de Black Friday de Proton: hasta un 40 % de descuento"]},"specialoffer:newmetadescription":{"Get up to 40% off Proton Mail subscriptions this Black Friday. Find great deals on our secure end-to-end encrypted email plans.":["Contrata Proton Mail con hasta un 40 % de descuento en las rebajas de Black Friday. Encontrarás nuestros planes de correo electrónico cifrado de extremo a extremo al mejor precio."]},"specialoffer:newmetatitle":{"Proton Mail Black Friday sale | Up to 40% off secure email":["Rebajas de Black Friday en Proton Mail | Correo electrónico seguro con hasta un 40 % de descuento"]},"specialoffer:note":{"* Billed at ${ TOTAL_SUM } for the first year":["* A un precio de ${ TOTAL_SUM } durante el primer año"],"*Billed at ${ TOTAL_SUM } for the first 2 years":["*A un precio de ${ TOTAL_SUM } durante los 2 primeros años"],"30-day money-back guarantee":["Garantía de devolución de 30 días"],"Billed at ${ TOTAL_SUM } for the first 2 years":["A un precio de ${ TOTAL_SUM } durante los 2 primeros años"],"Billed at ${ TOTAL_SUM } for the first year":["A un precio de ${ TOTAL_SUM } durante el primer año"],"You save ${ SAVE_SUM }":["Ahorras ${ SAVE_SUM }"]},"specialoffer:off":{"${ DISCOUNT } off":["−${ DISCOUNT }"],"${ PERCENT_OFF } off":["−${ PERCENT_OFF }"]},"specialoffer:testimonial":{"I love my ProtonMail":["Adoro ProtonMail"],"My favorite email service":["Mi servicio de correo electrónico favorito"],"Thanks Proton for keeping us all safe in the complicated internet universe.":["Gracias, Proton, por brindarnos protección en este mundo salvaje de Internet."],"You get what you pay for. In the case of big tech, if you pay nothing, you get used. I quit using Gmail and switched to @ProtonMail":["Dan justo lo que prometen. Si las grandes tecnológicas te ofrecen algo gratis, se aprovechan de ti, por eso dejé de usar Gmail y me pasé a @ProtonMail"]},"specialoffer:time":{"Days":["días"],"Hours":["horas"],"Min":["min"]},"specialoffer:title":{"And much more":["Y mucho más"],"Make your inbox yours":["Personaliza tu bandeja de entrada"],"Safe from trackers":["Evita los rastreadores"],"Stay organized":["Mantenlo todo en orden"],"Black Friday email deals":["Ofertas en correo electrónico del Black Friday"],"Don’t just take our word for it":["Lee testimonios de otras personas"],"Our story":["Nuestra historia"],"Transfer your data from Google in one click":["Transfiere tus datos de Google con un clic"]},"specialoffer:tooltip":{"Access blocked content and browse privately. Includes ${ TOTAL_SERVERS }+ servers in ${ TOTAL_COUNTRIES }+ countries, connect up to 10 devices, access worldwide streaming services, malware and ad-blocker, and more.":["Accede a contenido bloqueado y navega con privacidad. Incluye ${ TOTAL_SERVERS } servidores en más de ${ TOTAL_COUNTRIES } países. Conecta hasta 10 dispositivos, acceder a servicios de streaming de todo el mundo, dispón de la protección de bloqueadores de malware y anuncios, etc."],"Easily share your calendar with your family, friends or colleagues, and view external calendars.":["Comparte tu calendario con familiares, amigos y compañeros fácilmente y consulta calendarios externos."],"Includes support for 1 custom email domain, 10 email addresses, 10 hide-my-email aliases, calendar sharing, and more.":["Incluye compatibilidad con 1 dominio de correo electrónico personalizado, 10 direcciones de correo electrónico, 10 alias de hide-my-email, posibilidad de compartir calendario, etc."],"Includes support for 3 custom email domains, 15 email addresses, unlimited hide-my-email aliases, calendar sharing, and more.":["Incluye compatibilidad con 3 dominios de correo electrónico personalizado, 15 direcciones de correo electrónico, alias ilimitados de hide-my-email, posibilidad de compartir calendario, etc."],"Manage up to 25 calendars, mobile apps, secured with end-to-end encryption, 1-click calendar import from Google, and more.":["Gestiona hasta 25 calendarios protegidos con cifrado de extremo a extremo y con opción, por ejemplo, de importar los de Google con un solo clic."]},"Status Banner":{"At the moment we are experiencing issues with the Proton VPN service":["Hay problemas con el servicio de Proton VPN en estos momentos"],"Learn more":["Más información"]},"Status banner":{"Learn more":["Más información"],"Please note that at the moment we are experiencing issues with the ${ issues[0] } service.":["Ten presente que, en estos momentos, el servicio de ${ issues[0] } está dando problemas de funcionamiento."],"We are experiencing issues with one or more services at the moment.":["Uno o varios servicios están dando problemas de funcionamiento en estos momentos."]},"suggestions":{"Suggestions":["Sugerencias"]},"Support":{"Sub category":["Subcategoría","Subcategorías"]},"Support article":{"${ readingTime } min":["${ readingTime } min","${ readingTime } min"],"Category":["Categoría","Categorías"],"Didn’t find what you were looking for?":["¿No has encontrado lo que buscabas?"],"General contact":["Contacto para consultas generales"],"Get help":["Obtener ayuda"],"Legal contact":["Contacto para cuestiones legales"],"Media contact":["Contacto para prensa y medios de comunicación"],"Partnerships contact":["Contacto para colaboraciones"],"Reading":["Lectura"]},"Support categories":{"Browse Proton product support":["Consulta la página de asistencia para productos de Proton"]},"Support category":{"There is no article in this category yet.":["No hay ningún artículo aún en esta categoría."]},"Support troubleshooting":{"--- Select ---":["--- Selecciona ---"],"App version":["Versión de la aplicación"],"Browser":["Navegador"],"Check if this helps":["Comprueba a ver si te sirve"],"Choose a category for your question":["Elige la categoría de tu consulta"],"Choose a product":["Elegir producto"],"Did this solve your issue ?":["¿Te ha resultado útil para resolver el problema?"],"Faster assistance is just a few clicks away — please make your selections":["Haz unos cuantos clics para obtener ayuda más rápidamente. Haz tu selección."],"No, contact support":["No, contactar con el equipo de asistencia"],"Proton account":["Cuenta de Proton"],"Proton Bridge":["Proton Bridge"],"Proton Calendar":["Proton Calendar"],"Proton Drive":["Proton Drive"],"Proton for Business":["Proton for Business"],"Proton Mail":["Proton Mail"],"Proton Pass":["Proton Pass"],"Proton VPN":["Proton VPN"],"Thank you for your feedback":["Gracias por tus comentarios"],"Troubleshooting":["Solución de problemas"],"What can we help with ?":["¿Cómo podemos ayudarte?"],"Yes":["Sí"]},"support_modal_search_query":{"Search query":["Consulta de búsqueda"]},"support_search_button":{"Search":["Buscar"]},"support_search_i_am_looking_for":{"I'm looking for":["Busco"]},"SupportForm":{"For a faster resolution, please report the issue from the Bridge app: Help > Report a problem.":["Para una resolución más rápida, informa del problema desde la aplicación Bridge: Ayuda > Notificar un problema."],"Information":["Información"]},"SupportForm:option":{"Account Security":["Seguridad de la cuenta"],"Contacts":["Contactos"],"Custom email domain":["Dominio de correo electrónico personalizado"],"Email delivery and Spam":["Envío de correos electrónico y spam"],"Encryption":["Cifrado"],"Login and password":["Inicio de sesión y contraseña"],"Merge aliases and accounts":["Fusionar seudónimos y cuentas"],"Migrate to Proton":["Migrar a Proton"],"Notifications":["Notificaciones"],"Other":["Otro"],"Plans and billing":["Planes y facturación"],"Proton for Business":["Proton for Business"],"Sign up":["Regístrate"],"Storage":["Almacenamiento"],"Users, addresses, and identities":["Usuarios, direcciones e identidades"]},"SupportForm:optionIntro":{"Select a topic":["Selecciona un tema"]},"swiss_baseed_feature":{"Swiss based":["Con sede en Suiza"]},"Testimonial":{"Awards":["Premios"],"Customers":["Clientes"],"Featured":["Destacado"],"Go to testimonial source":["Ir a la fuente del testimonio"],"Reviews":["Opiniones"],"Videos":["Vídeos"]},"Text":{"Find the plan that's right for you":["Encuentra el plan más adecuado para tus necesidades"],"If you need help, check out our ${ supportLink }.":["Si necesitas ayuda, consulta nuestra ${ supportLink }."],"The page you’re looking for might have been removed, or it could be an\nold link.":["Es posible que la página que buscas haya sido eliminada o que sea un\nenlace antiguo."]},"Title":{"On this page":["En esta página"],"Related articles":["Artículos relacionados"],"Share ${ thisPage }":["Compartir ${ thisPage }"],"Thank you!":["¡Gracias!"],"this page":["esta página"]},"Tooltip":{"More information":["Más información"]},"tooltip_calendar":{"Create up to 20 custom & shareable encrypted calendars. On top of that, add up to 5 calendars from friends, family, colleagues, and organizations.":["Crea hasta 20 calendarios personalizados y cifrados que puedes compartir con otras personas, y añade además hasta 5 calendarios de amigos, familiares, compañeros y organizaciones."]},"tooltip_vpn":{"Access blocked content and browse privately. Includes ${ TOTAL_SERVERS }+ servers in ${ TOTAL_COUNTRIES }+ countries, highest VPN speed, ${ TOTAL_VPN_CONNECTIONS } VPN connections, worldwide streaming services, malware and ad-blocker, and more.":["Accede a contenido bloqueado y navega en privado. Tendrás a tu disposición más de ${ TOTAL_SERVERS } servidores en más de ${ TOTAL_COUNTRIES } países, VPN de máxima velocidad, ${ TOTAL_VPN_CONNECTIONS } conexiones VPN, servicios de streaming en todo el mundo, bloqueadores de malware y de anuncios, y mucho más."],"Access blocked content and browse privately. Includes ${ TOTAL_SERVERS }+ servers in ${ TOTAL_COUNTRIES }+ countries, highest VPN speed, 10 VPN connections, worldwide streaming services, malware and ad-blocker, and more.":["Accede a contenido bloqueado y navega en privado. Tendrás a tu disposición más de ${ TOTAL_SERVERS } servidores en más de ${ TOTAL_COUNTRIES } países, VPN de máxima velocidad, 10 conexiones VPN, servicios de streaming en todo el mundo, bloqueadores de malware y de anuncios, y mucho más."]},"version_history_label":{"Version history":["Historial de versiones"]},"version_history_tooltip":{"Store up to ${ versionHistoryNumber } versions of each file for up to ${ years } years":["Almacena hasta ${ versionHistoryNumber } versiones de cada archivo durante ${ years } años como máximo"]},"vpn_features_link":{"View VPN plans":["Ver planes de VPN"]},"vpn_features_useCase":{"Access blocked content and browse privately":["Accede a contenido bloqueado y navega con privacidad"]}}},"unleashApi":"https://account.proton.me/api"};
// We need to import data (the framework context) from the server
// This Astro feature with define:vars works well but creates an inline script
// So we can't directly import the initFramework helper, we have to store the context
window.frameworkContext = frameworkContext;
})();
Anti-abuse and account security at Proton | Proton
Proton Mail has automated anti-abuse systems to protect against the main types of abuse that pose significant risks to the Proton community. These systems may sometimes suspend accounts for safety reasons. Below, we discuss why accounts get suspended and how suspended accounts can be restored. Proton Mail’s anti-abuse team works 24/7, and you can always reach a real person if you have an issue with your account.
Types of abuse and security threats
As an encrypted email service, there are three main types of abuse with significant risks to our users:
Bulk email registrations
How it works: Attackers sign up for many Proton Mail addresses that they then use to sign up for other services, such as social media or e-commerce websites. Attackers then violate the terms and conditions of these other services or act abusively.
How it affects Proton services: Services that aren’t sophisticated at combating abuse may start blocking all accounts registered with Proton Mail, and then good users cannot use these services.
Account takeovers
How it works: Attackers log in to many good users’ accounts by fooling them with phishing attacks, cracking weak passwords, or using passwords that were leaked from a breached service in hopes that the user reused the same password on multiple accounts.
How it affects Proton services: Attackers can see the user’s encrypted data, use their data to impersonate them, take over other services linked to their email, or use their account to send spam.
Spam
How it works: Attackers send spam from many Proton Mail addresses to recipients on other email services.
How it affects Proton services: Recipients mark these emails as spam, causing Proton Mail IP and domain reputations to fall and get blocklisted, leading to email delivery issues for good users.
Since Proton Mail launched in 2014, we’ve provided free and easy-to-use secure email to anyone who wants more privacy online. Our focus on privacy means that Proton Mail has to do things differently. Zero-access encryption prevents us from accessing user inboxes, and our focus on privacy means we don’t require a phone number to create an account (unlike most other email services). For this reason, we need to be more sophisticated in detecting abuse and securing Proton Mail accounts in a privacy-preserving way. To date, these systems have protected millions of members of the Proton community from the above risks.
Blocking bulk signups
Because of the risk posed by bulk email registration, Proton Mail’s terms and conditions can’t permit anyone to create large numbers of free email addresses (there are possibilities for paid users, which we discuss below).
With over a million monthly signups, preventing bulk signups is too complex for human analysts to manage effectively. It requires automated systems that use machine learning models to cluster accounts controlled by the same actor.
When a cluster of free accounts grows too large, the system sends an email alert to some of the accounts, warning them that this is against our Terms of Service. If this warning is ignored and the bulk account creation continues, the system will suspend all accounts in the cluster.
As with any prediction system, there’s a tradeoff between false positives (blocking the accounts of good users) and false negatives (letting abusers create accounts). We try to minimize both, but inevitably, even though it’s rare, our system sometimes disables or blocks good users. We regret when this happens, but automated systems are required to prevent abuse that would otherwise impact good Proton Mail users.
If you’ve been impacted by our anti-abuse system and weren’t using Proton Mail for abusive purposes, please submit a report at https://proton.me/support/appeal-abuse.
Our team of analysts is available to review reports 24/7. They will quickly investigate the situation and help restore your account.
If you want to avoid such issues and support Proton in providing high-quality free services, consider upgrading to a paid account. Paid accounts can add custom domains and create multiple email addresses, including on premium Proton domains such as @pm.me.
With multiple addresses, you can use a different one for each external service (for example, one for a social media site and another for a crypto exchange) to keep your identities private. This also allows you to disable any address that you no longer want to receive email or spam with. If you need secure email for your organization, we also have business encrypted email plans with multiple accounts, automated SMTP sending, and dedicated customer support.
If you’re the operator of an internet service and have seen abuse, such as bulk registrations or spam coming from Proton, please let us know at https://proton.me/support/report-abuse or email us at abuse@proton.me. Our team will carefully review each report, take appropriate action against abusers, and improve our systems to prevent future abuse.
Preventing account takeovers
Another reason our automated anti-abuse systems disable accounts is to protect users from having their accounts taken over. If we think an attacker has breached your account or is in imminent danger of being breached, we may proactively suspend your account to prevent the attacker from getting in, at least until we can get in touch with you.
To date, Proton Mail hasn’t had any data breaches or data leaks, and we don’t ever have access to your password thanks to our use of zero-access encryption and end-to-end encryption. Still, an attacker may obtain the password of an account. This could happen if you fall for a phishing attack or reuse a password from another service that was hacked.
To prevent account takeovers, we block accounts at risk of such attacks, which could lead to your account being disabled. If this happens to you, we might ask you to use your recovery method to change your password or get in touch with our Support team to secure your account.
To help you monitor your account security, we built mobile push notifications to alert you of each successful login. We may require a captcha or force a verification from any saved recovery methods for suspicious logins that we’re not confident enough to block. This is for your safety. Cumulatively, these defenses have reduced compromised accounts by over 80% in the last two years.
Proton is used by some of the world’s most high-profile journalists, leaders, and international organizations that are high-value targets for attackers. We strongly recommend using two-factor authentication, which adds a layer of protection to your account, and setting up a recovery phrase, which can recover data even if you forget your password.
If you are a high-profile public figure, deal with sensitive data, or think you might be a target for cyberattacks, you can take advantage of our Proton Sentinel program. It provides advanced account security, enables you to monitor login attempts more closely, and lets you speak with Proton security analysts.
If you have any issues related to account recovery or security, please contact our specialists by emailing abuse@proton.me.
Reducing spam
Proton Mail also has a sophisticated in-house system that applies similar machine-learning techniques to email, mainly to fight spam and phishing attacks. This system also includes PhishGuard, which automatically adds phishing warnings to emails that are likely spoofed or are part of a phishing attack. The system automatically learns from your feedback (for example, moving an email to spam, marking an email as phishing, or moving an email from spam to inbox) so it can quickly react to new attacks and improve its decisions if you disagree with its classifications. Our anti-spam system protects the Proton community from abuse and security threats and is at least 60% more effective than widely used spam filters such as SpamAssassin.
In addition to classifying incoming emails, this system works with our other anti-abuse systems to block bulk email registrations and outgoing spam from abusive Proton Mail accounts. Due to these systems and the global team that monitors for threats 24/7, Proton Mail has high-reputation IPs and domains that provide great email deliverability for the Proton community. If you have any issues with mail delivery or spam, please email our specialists at postmaster@proton.me.
Looking forward
Abuse is an inevitable part of the internet because wherever there is freedom and opportunity, there will be bad actors trying to take advantage. And if a service has value and is easy to abuse, it will attract more abusers, and the experience and safety of users will suffer until the service has little value.
That’s why our fight against abuse and bad actors is a critical part of our work to support freedom and privacy on the internet.
We hope these efforts will make the Proton ecosystem the most secure and easy-to-use solution for anyone who wants to interact on the internet.
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