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  2. Hacker finds bug that allowed anyone to bypass Facebook 2FA

    techcrunch.com/2023/01/30/facebook-two-factor

    Mänôz found the bug in the Meta Accounts Center last year, and reported it to the company in mid-September. Meta fixed the bug a few days later, and paid Mänôz $27,200 for reporting the bug ...

  3. Facebook rolls out encrypted cloud chat backups on WhatsApp

    techcrunch.com/2021/10/14/whatsapp-now-lets...

    Users on WhatsApp will see an option to generate a 64-digit encryption key to protect their chat backups in the cloud. Users can store the encryption key offline or in a password manager of their ...

  4. A leaky database spilled 2FA codes for the world’s tech giants

    techcrunch.com/.../leaky-database-two-factor-codes

    Two-factor authentication (2FA) offers greater protection against online account hijacks that rely on password theft by sending an additional code to a trusted device, such as someone’s phone ...

  5. List of random number generators - Wikipedia

    en.wikipedia.org/wiki/List_of_random_number...

    However, generally they are considerably slower (typically by a factor 2–10) than fast, non-cryptographic random number generators. These include: Stream ciphers. Popular choices are Salsa20 or ChaCha (often with the number of rounds reduced to 8 for speed), ISAAC, HC-128 and RC4. Block ciphers in counter mode.

  6. Telephone numbers in Asia - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Asia

    No area codes: Telephone numbers in Hong Kong India: 9 +91: 00: Telephone numbers in India Indonesia: 6 +62: 00x, 01xxx (VoIP) Open: Telephone numbers in Indonesia Iran: 9 +98: 00: Telephone numbers in Iran Iraq: 9 +964: 00: Telephone numbers in Iraq Israel: 9 +972: 00, 01x: Telephone numbers in Israel Japan: 8 +81: 010: Telephone numbers in ...

  7. WhatsApp makes it harder for scammers to steal your account

    www.engadget.com/whatsapp-makes-it-harder-for...

    Right now, verifying your connection with someone involves either scanning a QR code or comparing a 60-digit number, both of which you can find by tapping the Encryption tab under a contact’s ...

  8. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Zone 5 uses eight 2-digit codes (51–58) and two sets of 3-digit codes (50x, 59x) to serve South and Central America. Zone 6 uses seven 2-digit codes (60–66) and three sets of 3-digit codes (67x–69x) to serve Southeast Asia and Oceania. Zone 7 uses an integrated numbering plan; two digits (7x) determine the area served: Russia or Kazakhstan.

  9. WhatsApp test lets you add contacts with QR codes - Engadget

    www.engadget.com/whatsapp-qr-codes-add-contacts...

    If the thought of typing in someone’s phone number -- by hand-- seems prehistoric by 2020 standards, then WhatsApp’s about to make your life a whole lot easier.