No. Security researchers have confirmed that multiple older Call of Duty titles, including Black Ops 1 , contain Remote Code Execution (RCE) vulnerabilities that allow hackers to take control of your PC. If you own the game legitimately, consider playing only the campaign and Zombies modes offline.
Fake setups often hide Trojan horses, spyware, or ransomware that can encrypt your personal files or steal sensitive banking credentials. including Black Ops 1
The Truth About Call of Duty: Black Ops 1 Highly Compressed 500MB Repacks including Black Ops 1