Security means most. Many are facing hard time to make sure if they are really that safe or not. Everybody needs to be secure, not only in personal but for the environment as well. Since we are in the computer age and most of our work and lifestyle are related to computers, there are personal things that we want to secure. Like our personal data that are stored in a computer, our very own work that we need to protect from hackers and viruses, all of these things are just that important so we need to make an effort to keep these safe from unknown situation. The Digital Security and Safety is a self-protection. This issue is related to a person’s well-being and safety online, technically meaning on the computer and on the internet. When you made an access online and you want to be protected at all terms, you need to have this security that can protect you along the way. This digital security is also what precautions could be taken to prevent one from any possible dangers on the internet. There are also sim cards used when it comes to technology. A Subscriber Identity Module (SIM) is said to part of a removable smart card ICC (Integrated Circuit Card), also known as SIM Cards, for mobile, telephony devices (such as computers) and mobile phones. The SIM cards securely can store the service-subscriber key (IMSI) used to identify a subscriber. The OTP can also make a difference. So when go made an online access, make sure that you know how to protect your access and personal details from the hackers and identity thieves.