Iron Mountain’s 8.6% dividend yield is compelling for some investors but comes with risks. The company remains confident of sustaining the current dividend, but we’ll describe the big risks that investors should consider (such as debt load, lack of growth in its core storage business, and high capital intensity). While the company has taken some measures to counter these risks, it’s prudent for risk-averse investor to understand the risk-reward tradeoff. This report reviews the health of the business, valuation, risks, dividend safety, and concludes with our opinion about investing in Iron Mountain.