By Mary Kay Mallonee, Andrea Cambron and Sean Lyngaas, CNN The Okta Inc. website on a laptop computer arranged in Dobbs Ferry, New York, U.S., on Sunday, Feb. 28, 2021. Okta is investigating reports of a possible digital breach, the software company said early Tuesday. "Okta is aware of the reports and is currently investigating," Okta spokesperson Chris Hollis told CNN in a statement. "We will provide updates as more information becomes available. "The company's software allows businesses to authenticate the identity of their customers and employees. Okta has more than 15,000 customers, according to its website. Shares of Okta were down nearly 8% in premarket trading Tuesday. Reuters first reported that Okta was looking into reports of a possible digital breach after a hacking group known as Lapsus$ claimed responsibility for the incident and published screenshots claiming access to an Okta internal administrative account and the firm's Slack channel. Lapsus$, a mysterious hacking group that emerged in December, claimed on the messaging app Telegram…