Is matrix really secure?

Could you elaborate on the security aspects of the Matrix platform? With the rise of cyber threats and hacking incidents, it's crucial to understand if Matrix truly offers robust security measures to protect users' data and transactions. How does it safeguard against potential vulnerabilities, and what kind of encryption protocols does it employ? Additionally, have there been any security breaches or vulnerabilities identified within the Matrix system, and how has the team addressed them? Understanding these details would help assess the overall security posture of Matrix.