Which of the following countermeasures should the security administrator apply to MOST effectively mitigate Bootkit-level infections of the organization's workstation devices?

A security analyst is reviewing the logs from an internal chat server. The chat.log file is too large to review manually, so the analyst wants to create a shorter log file that only includes lines associated with a user demonstrating anomalous activity. Below is a snippet of the log:

Which of the following commands would work BEST to achieve the desired result?

An organisation is assessing risks so it can prioritize its mitigation actions. Following are the risks and their probability and impact:

Which of the following is the order of priority for risk mitigation from highest to lowest?

An incident response report indicates a virus was introduced through a remote host that was connected to corporate resources.
A cybersecurity analyst has been asked for a recommendation to solve this issue.
Which of the following should be applied?

A security analyst is reviewing a web application. If an unauthenticated user tries to access a page in the application, the user is redirected to the login page. After successful authentication, the user is then redirected back to the original page. Some users have reported receiving phishing emails with a link that takes them to the application login page but then redirects to a fake login page after successful authentication.
Which of the following will remediate this software vulnerability?