Investors looking for stocks in the Security and Safety Services sector might want to consider either Brady (NYSE: BRC) or Allegion. But which of these two stocks is more attractive to value investors? We’ll need to take a closer look to find out. There are plenty of strategies for discovering value stocks, but we have found that pairing a strong Zacks Rank with an impressive grade in the Value category of our Style Scores system produces the best returns. The proven Zacks Rank emphasizes companies with positive estimate revision trends, and our Style Scores highlight stocks with specific trai…