Chat session dynamic security

A computer program product comprising:

• a computer readable storage medium readable by one or more processing circuit and storing instructions for execution by one or more processor for performing a method comprising:
• obtaining chat session data of a chat session having a first participant provided by a patron user and a second participant provided by an enterprise user;
• detecting, subsequent to a connectivity failure, that a network connection supporting the chat session has been restored;
• presenting in response to the detecting a prompt to the first participant, the prompt being in dependence on the chat session data;
• deciding an authentication action in dependence on a received response of the first participant in response to the presented prompt;
• and
• performing the authentication action in accordance with the deciding.

A system comprising:

• a memory;
• at least one processor in communication with the memory;
• and
• program instructions executable by one or more processor via the memory to perform a method comprising:
• obtaining chat session data of a chat session having a first participant and a second participant;
• detecting, subsequent to a failure of the chat session, that the chat session has been restored;
• presenting in response to the detecting a prompt to the first participant, the prompt being in dependence on the chat session data;
• and
• deciding an authentication action in dependence on a received response of the first participant in response to the presented prompt.