Callsign
Mum and Dad are our biggest security risk!
Your mother’s maiden name – the name of your first pet – the city you were born in. What do these all have in common? Not only are they popular
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Callsign raises $35m Series A funding led by Accel and PTB Ventures as it grows and hires new vice-chairman
Callsign, an artificial intelligence-based authentication platform, has raised a $35 million Series A investment led by global venture capital firm Accel and early-stage investor PTB Ventures. Allegis Capital and cybersecurity
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