Sources: cloud security startup Cyera is planning to raise around $800M in a round led by Cyberstarts at a $20B valuation, up from $12B in June (Aaron Holmes/The Information)

Aaron Holmes / The Information: Sources: cloud security startup Cyera is planning to raise around $800M in a round led by Cyberstarts at a $20B valuation, up from $12B in June — Last week my colleagues Jemima and Valida scooped that Cyera, a five-year-old cloud security startup, was mulling a new…