TheStreet's founder and Action Alerts PLUS Portfolio Manager Jim Cramer interviewed Todd McKinnon, CEO of cloud identification company Okta (OKTA) on CNBC's "Mad Money" on Thursday and said the stock is very expensive.

"It's another way to make sure there's cloud security," Cramer said, referring to Okta.

The stock is up over 100% over the past year. 

Want exclusive investing insight from Jim Cramer? Get 24/7 access to Jim's charitable trust portfolio with a free trial to Action Alerts PLUS!

More from Video

Why Jim Cramer Isn't Surprised By the Jobs Report

Why Jim Cramer Isn't Surprised By the Jobs Report

What to Expect From the Markets in 2019 According to an Abbott Downing Executive

What to Expect From the Markets in 2019 According to an Abbott Downing Executive

Facebook Could See More Volatility -- How to Own the Stock

Facebook Could See More Volatility -- How to Own the Stock

Facebook 'Needs to Fire' Sheryl Sandberg Says Jim Cramer

Facebook 'Needs to Fire' Sheryl Sandberg Says Jim Cramer

Trading Strategies: Understanding the Markets Going Into 2019

Trading Strategies: Understanding the Markets Going Into 2019