American Express has bought mobile device authentication company InAuth for an undisclosed amount, giving an exit to its corporate venturing unit.

Advertising technology developer Trademob has been bought by mobile marketing technology provider Adikteev in an all-share deal that allowed Tengelmann Ventures to exit.

The anti-malware software developer, which had raised $10m in a Dell Ventures-backed round just three months ago, will be acquired by Sophos.

Streetlife, which had received funding from investors including Archant's corporate venturing unit, has been acquired by US counterpart Nextdoor for less than $12.5m.

Employment recommendation platform Jobspotting has been acquired by SmartRecruiters in a deal that gave an exit to Axel Springer.

Intel and Mitsui will exit energy software producer Viridity Energy, which has raised more than $45m, in an acquisition by Ormat Technologies.

Intel Capital will exit Iris verification technology developer Delta ID in a $106m acquisition by Fingerprint Cards, three years after investing in its $5m series A round.

The transaction has provided an exit to Watchup investors that include Microsoft, Tribune Media and McClatchy Company.

USAA has exited loyalty and rewards platform Cartera, which had raised $43m in capital, through an acquisition by Rakuten subsidiary Ebates.

Ingenico is set to purchase payments processing firm TechProcess for approximately $89m, providing an exit to shareholders including Nokia Growth Partners.