what are treasury securities 
treasury securities are debt securities issued by the u s treasury department to raise money for the government since they are backed by the government these bonds are considered very low risk and highly desirable for risk averse investors the bottom linesecurities represent the most common investment contracts when saving for retirement most people choose to put a portion of their savings in equity or debt securities these securities markets are also important for the market as a whole in that they allow companies to raise capital from the public 