The HR-startup war escalates as Rippling ropes in Deel board members and launches a 'suspicious behavior' hotline

Amy Osborne/The Washington Post/Getty Images

• Rippling has created a hotline for companies to flag 'suspicious behavior' by its chief rival, Deel.
• Rippling filed a lawsuit on Monday accusing Deel of using a corporate spy to steal company secrets.
• The company also sent document preservation letters to Deel board members.

Rippling has put out a Bat-Signal to summon help with its lawsuit against a competitor.

Rippling...