ChatGPT retains the most users but must cede market share to Gemini (27.7%) and Claude (10.3%), as the industry shifts from user acquisition to monetization.
Lockdown Mode restricts ChatGPT functions to prevent data exfiltration through prompt injection attacks and is being rolled out gradually to all user types.
Attackers abuse chat-sharing functions of ChatGPT and Claude to render convincingly authentic outage pages and distribute malware through trusted domains that bypass conventional security filters.
Threat actors are abusing ChatGPT share links to host fake OpenAI outage pages that redirect users to download malware disguised as a ChatGPT desktop application, exploiting user trust in legitimate channels through social engineering.