Here is a link > https://goo.gl/AdMELG < to download the paper (PDF File) "Individual OPSEC and Personal Security". The paper is in English, and focused on the United States, but also contains a lot of resources and information that will be useful, no matter where in the world you may live.
What Is OPSEC (Operations Security)?
Operations Security, or OPSEC, is the process by which we protect unclassified information that can be used against us. OPSEC challenges us to look at ourselves through the eyes of an adversary (individuals, groups, countries, organizations). Essentially, anyone who can harm people, resources, or mission is an adversary.
OPSEC should be used to protect information, and thereby deny the adversary the ability to act. Nearly 90% of the information collected comes from "Open Sources". Any information that can be obtained freely, without breaking the law, is Open Source. It is social network sites, tweets, text messages, blogs, videos, photos, GPS mapping, newsletters, magazine or newspaper articles, your college thesis, or anything else that is publicly available.
Our OPSEC objective is to ensure a safe and secure environment. OPSEC is best employed daily when making choices about what communications to use, what is written in emails or said on the phone, postings on social networking sites and blogs. Any information you put in the public domain is also available to your adversaries.
The bottom line is that we can be our own worst enemy.
What is Personal Security?
Personal security is a general condition that results after adequate steps are taken to (a) deter, (b) delay, and (c) provide warning before possible crime, (d) if such warnings occur, to summon assistance, and (e) prepare for the possibility of crime in a constructive manner. Reasonable efforts to execute these five tasks can greatly reduce security risks, sometimes to negligible levels.
Security efforts will of course differ, based on the circumstances of each individual. Work or school responsibilities, area of residence, family activities, and other factors influence security needs. Some people may need to upgrade the security of homes; others of their children; yet others of their travel, computing, and so forth. Each person should consider selectively implementing the options most pertinent to their own needs.
If you want to make your life a little bit more secure, take a look at "Individual OPSEC and Personal Security (September 2017)" - https://goo.gl/AdMELG