The phrase "to become aware of" means to gain knowledge or understanding about something. It can refer to becoming conscious, recognizing, discovering, noticing, or realizing a particular fact, situation, or feeling.
That took people to first become aware of how their interpretation of scripture continued a practice that destroyed the lives of people. (nakedpastor.com)
Another rule will make it mandatory for companies to notify their data protection authority about a data breach within 72 hours of first becoming aware of it. (cnbc.com)
They're just becoming aware of what's around them and trying to make sense of all of it all. (developmentalscience.com)