If you are getting notifications from TriumphStep, then your Mac is infected with adware. TriumphStep is adware for Mac.
TriumphStep changes setting in your Mac. First, TriumphStep installs a browser extension in your browser. Then, after TriumphStep hijacks your browser, it modifies settings in the browser. For example, it changes the default home page, modifies search results, and displays unwanted pop-ups in your browser.