be abreast of (someone or something)

1. To be alongside someone or something. I was abreast of my opponent for most of the race, but she pulled ahead of me at the last second. Captain, we're abreast of the other ship. Shall we board? She's abreast of them, sir—ah, but they've spotted her!

2. To be or remain closely informed about someone or something If your company is not abreast of the new cyber-security threats emerging each day, you could leave yourself vulnerable to a devastating attack in the future. It's my job to be abreast of various film and television celebrities and then write about them in our paper's weekly gossip column. As a news correspondent for the region, it's my job to be abreast of any changes in the political landscape here.