"Improved Performance" could be optimized efficiency, enhanced speed, or bettered functionality.
"Cybersecurity industry" – synonyms for industry could be sector, field, or market. So field.
Also, the user specifies "Skip brands and names", so any other brand or proper noun should be left alone. In the provided text, CyberGhost is the only brand, so others are safe. Let me check the original text again for any other names. It doesn't look like there are any others. So, proceed.
Starting with the first sentence: "The software features an intuitive interface, making it easy for users to connect to servers, switch between protocols, and customize settings." The key terms here are "software", "intuitive", "interface", "connect", "switch", "protocols", and "customize".
Next paragraph: "One such solution that has gained popularity in recent years is CyberGhost.v8.3.5.9052.7z." The brand name should stay, but "gained popularity" could be "become widely used", "attained recognition", "gained widespread acceptance".
"Remain hidden from prying eyes" – synonyms: stay concealed, remain undetected, be protected. So remain undetected.
"Browsing experience" could be web surfing, online navigation, internet surfing. So web surfing.