Do not throw documents containing personal data (bills, invalid credit cards, etc.) into dustbins; provide their destruction by shredding or by physical destruction.
Do not leave your credentials without your supervision, do not provide them as a guarantee for various services or loans, provide them only to entities that are entitled to request them by the Law.
Copying of your credentials is possible only with your written consent, except for the authorities that are entitled to do so pursuant to Law (banks, insurance companies, courts, etc.). The entitled person of those authorities is however obliged to inform you of such conduct.
Take into consideration providing your personal data while using internet (filing out various questionnaires, using social networks such as Facebook, Twitter etc., online shopping, etc.). Every personal data published via internet can be abused by wide spectrum of entities for the purposes of scams or other criminal activities.
Update your antivirus program regularly while using the internet.
Be aware of unknown sources while opening your emails. You can provide entry to your mailbox and sensitive data by your own carelessness.
Do not provide your personal data via telephone calls. Safety of telephone communications is not impeccable and may be used by various impostors trying to reach you on behalf of other subject.
Do not provide the address of your residence into voicemail.
Do not reveal your personal data, characteristic information or circumstances that may be used against you by strange and untrustworthy persons.
Read every document carefully before singing it with your own signature. Person requesting your consent is obliged to inform you on the manner in which he/she shall handle your personal data and to edify you on your rights as the data subject.