Skype apparentemente aveva alcune vulnerabilità note, ma la maggior parte sono vecchie:
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Potresti anche essere interessato a leggere la pagina di sicurezza di Skype
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Senza entrare in troppi dettagli [rilevanti], terminano affermando:
Here at Skype we use standard internationally recognized and accepted encryption algorithms that have withstood the test of time over many years of analysis and attacks. This protects your communications from falling into the hands of hackers and criminals. In so doing, we help ensure your privacy as well as the integrity of the data being sent from you to your contacts.
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Skype uses well-known standards-based encryption algorithms to protect Skype users' communications from falling into the hands of hackers and criminals. In so doing, Skype helps ensure user's privacy as well as the integrity of the data being sent from one user to another.
Lo standard di settore può essere interpretato come: le uniche persone che ascolteranno le tue comunicazioni sono potenzialmente stati nazionali o un gruppo con molti soldi. Ecco le specifiche delle loro FAQ ( link ):
Skype uses the AES (Advanced Encryption Standard*), also known as Rijndael, which is used by the US Government to protect sensitive information, and Skype has for some time always used the strong 256-bit encryption. User public keys are certified by the Skype server at login using 1536 or 2048-bit RSA certificates.
Penso che starai bene con l'offerta di azioni di Skype, se ancora non ti senti sicuro puoi usare Tor o una VPN.