Here is a formal revision of the title:

French Agency Reports John Swinney Targeted by Israel-Linked Disinformation Campaign During Holyrood Election

Here are a few options for a formal equivalent, depending on the context:

• Unsupported Browser Detected (Best for a general error page)
• Browser Compatibility Issue (Best for a technical help section)
• Incompatible Browser Version (Best if you want to emphasize that it is the version and not just the browser type)

Recommended choice:

Unsupported Browser Detected

Here are a few options for a formal title, depending on your focus:

• Geopolitical Intervention: An Analysis of BlackCore’s Electoral Influence
• The Strategic Implications of BlackCore’s Involvement in Electoral Processes
• BlackCore and the Ethics of Transnational Election Interference

Recommendation: The first option, “Geopolitical Intervention: An Analysis of BlackCore’s Electoral Influence,” is the most professional and academically standard.