If software developers arent paying attention to some of the basics of software development, then they certainly aren’t spending any time making sure that their software is secure. Here are the top 5 signs that software is poorly written and is probably not very secure: Format compliance warnings (Phone numbers, SSN, etc.) and Complex passwords are examples of inattentive design in one area. Security practitioners have known that the human element is the easiest to breach. Complex passwords that are only 8 characters long are easier to break than.”]
Source: https://www.csoonline.com/article/3228120/5-signs-that-your-software-probably-isnt-secure.html