Tags facebook messenger
Dozens of cryptographers call on Guardian to retract WhatsApp 'backdoor' article
The Guardian is under fire for a headline claiming WhatsApp has a massive security flaw, with prominent security researchers calling for a retraction
Signal's protocol gets glowing reviews in first security audit
Signal is widely considered the gold standard of secure encrypted messaging apps but it hasn't been subject to a fine-toothed audit. What did researchers have to say?