The news of the backdoor attack may initially cause concern among users and investors, potentially affecting Apple's reputation for security. However, the fact that Apple has already fixed these vulnerabilities and has taken steps to enhance hardware security could mitigate any negative impact. The news is highly relevant to Apple as it directly involves their product security. The importance is significant as security is crucial for user trust, but it's not at the highest level since the issue has been addressed. The confidence in this analysis is high due to the detailed information provided by Kaspersky and Apple's response.