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Two or three countries, side by side, one row per question. Pick up to 3.

Countries

GreeceChecked 18 August 2026

Depends on your industryWork: HighEnforcement: Active

In one paragraph: For most businesses Greece is a normal European country: personal data can leave, as long as you use one of the standard European transfer tools. But Greece has two hard walls that Europe does not. Phone and internet connection records must physically sit on machines inside Greece. Online gambling operators must keep their records on a server inside Greece too. The privacy regulator is fully staffed and fining companies today.
The catch: The relaxed European headline stops being true the moment you touch three things. Telecoms connection records must be stored on physical media inside Greek territory for twelve months. Online gambling records must sit on a server or safe inside Greece for ten years. And Greek public bodies must run their central systems on the Greek state's own clouds, not on a commercial cloud of their choosing. Outside those three, plus the health and public sectors, Greece imposes no storage-location rule of its own.
Does this apply to me?: Yes, it reaches a foreign company with no office in Greece. The European privacy rules apply to anyone anywhere who offers goods or services to people in Greece, or who watches what they do online. The Greek national law adds that it also covers anyone processing data on Greek soil. There is no size or revenue threshold that lets you off. If you have no establishment anywhere in Europe, you must appoint a written representative inside the European Union.High confidence
Can the data leave the country?: In general, yes. Greece adds no storage-location rule of its own to the European baseline, so ordinary business data can be sent abroad once you have the right European transfer paperwork. Three industries break that rule completely. Telecoms companies must keep their connection records on machines physically inside Greece. Online gambling operators must keep their records on a server inside Greece. And Greek government bodies must run their main systems on state-operated clouds. Health, banking and insurance have extra hoops but no location rule.High confidence
What do I have to do to send it abroad?: You need one of the standard European transfer tools before data leaves Europe. The simplest is sending it to a country the European Commission has already approved. If the destination is not approved, you sign the European Commission's standard contract with the recipient, or use approved group-wide internal rules, and you write down why you think the data will still be safe there. Greece adds no extra permission, filing or fee of its own.High confidence
Who enforces this — and are they actually working?: Six bodies, and all six are genuinely working. The Hellenic Data Protection Authority is the main privacy regulator and is issuing numbered decisions and fines every month — its most recent published decisions run to July 2026 and include fines on a bank and an electricity supplier. A separate constitutional authority polices the secrecy of communications. There is also a national cybersecurity authority, a telecoms regulator, the central bank for finance and insurance, and a gambling regulator. This is not a paper regime.High confidence
How long must I keep it, and when must I delete it?: Both directions apply, and they collide. Business books must be kept five years. Medical files must be kept ten years in a private practice and twenty years everywhere else. Online gambling records must be kept ten years. Telecoms connection records must be kept exactly twelve months and then automatically deleted. In the other direction, the European rule says you must not keep personal data longer than you need it. When a specific keeping rule and the general deleting rule clash, the specific keeping rule wins.High confidence
What happens when something goes wrong?: Count three clocks, not one. If personal data is lost or exposed, you have 72 hours to tell the privacy regulator. If you run important infrastructure, you have only 24 hours to send a first warning to the national cybersecurity authority, then 72 hours for a fuller report and one month for the final one. If you are a phone or internet provider, you have 24 hours to report a personal data breach and a separate duty to tell the communications secrecy authority. Missing the 24-hour clocks is the most common failure.High confidence
What's the trap?: Five things that will cost you a weekend. First, a child in Greece can consent to an online service at fifteen, not sixteen — so an age gate built to the European default is set wrong. Second, misusing personal data is a crime here, with prison time, not just a fine. Third, several articles of the Greek privacy law are printed in the statute but the regulator has formally said they must not be applied, because they clash with European law. Fourth, telecoms connection records must physically stay in Greece. Fifth, government bodies cannot simply pick a commercial cloud.High confidence
What's about to change?: Three dated changes. Electronic invoicing between businesses became compulsory for large Greek companies on 2 March 2026 and becomes compulsory for everyone else on 1 October 2026. Greece's new artificial intelligence law took effect on 22 July 2026 and forces public bodies to register every artificial intelligence system before switching it on. And from 12 January 2027 European law bans cloud providers from charging you to move your data out.High confidence
Hardest industry wall: Telecoms — Νόμος 3917/2011 — Διατήρηση δεδομένων που παράγονται ή υποβάλλονται σε επεξεργασία σε συνάρτηση με την παροχή υπηρεσιών ηλεκτρονικών επικοινωνιών
Online gaming — Νόμος 4002/2011 — Ρύθμιση της αγοράς παιγνίων, άρθρο 47, και Κανονισμοί Παιγνίων (ΥΑ 79305/2020 και 79835/2020)
Government — Νόμος 4727/2020 — Ψηφιακή Διακυβέρνηση, άρθρο 87 (Κυβερνητικά νέφη)

SlovakiaChecked 18 August 2026

Depends on your industryWork: HighEnforcement: Active

In one paragraph: Slovakia has no general rule that data must stay in the country. It runs on the European rulebook: send data abroad once you have the right paperwork. Three areas break that rule. Online gambling servers must sit on Slovak soil. The most sensitive government data must stay in a Slovak data centre. And anyone who takes aerial survey pictures of Slovakia must hand a copy to a defence ministry archive.
The catch: The easy answer stops being true in three places. First, online gambling: the operator's server must be physically in Slovakia, with no European Economic Area alternative. Second, government cloud: a public body handling the top security category of data may only use a service that stores and processes it inside Slovakia, in a data centre within reach of the Slovak state. Third, mapping: primary aerial survey imagery and published maps must be deposited with Slovak state archives, including one run by the Ministry of Defence. Banking, payments, insurance, securities, health and telecoms have no storage-location rule that we could find.
Does this apply to me?: Yes. A company with no office in Slovakia is still caught if it offers goods or services to people in Slovakia, or watches what they do online. There is no minimum size, headcount or revenue below which you are safe. If you have no office anywhere in the European Union, you must name a written representative inside the Union, and you can put that person in any member state where your customers are — it does not have to be Slovakia.High confidence
Can the data leave the country?: In general, yes — with the standard European paperwork. Nothing in Slovak law says personal data must be kept in Slovakia, and the law says so almost in as many words: it applies to a Slovak company whether it processes data inside or outside the country. But three specific activities do force data to stay. Online gambling operators must put their server in Slovakia. The top security tier of government data must stay in a Slovak data centre. And aerial survey imagery of Slovakia must be handed to a state archive.High confidence
What do I have to do to send it abroad?: Slovakia uses the European model, and it is an allowlist. Data may go to a country the European Commission has approved, or to anywhere else if you sign the Commission's standard contract, use approved group-wide rules, or fit one of a few narrow exceptions. The approved list is real and populated — it includes the United Kingdom, Switzerland, Japan, South Korea, Canada for commercial bodies, and the United States only for companies signed up to the transatlantic framework. Slovakia adds nothing of its own on top.High confidence
Who enforces this — and are they actually working?: The Office for Personal Data Protection of the Slovak Republic. It is real, staffed and busy. In 2025 it issued 542 final fines totalling about 468,000 euros (roughly $510,000) and actually collected about 411,000 euros of that — a very high number of fines but a very small average, about 860 euros each. It has around 60 staff and got 20 extra posts in 2025. Cybersecurity incidents go to a separate body, the National Security Authority.High confidence
How long must I keep it, and when must I delete it?: There is no single retention rule. The general privacy rule is to delete when you no longer need the data. Against that sit long minimum-keeping duties: ten years for accounts and financial statements, and up to one hundred years after death for entries in the national health registers. Telecom companies keep far less than most people assume — Slovakia scrapped blanket call-record retention after its Constitutional Court struck it down, so operators only retain what a court order covers.High confidence
What happens when something goes wrong?: There are two clocks and they are different. A personal data breach goes to the privacy authority within 72 hours of you becoming aware of it, and to the affected people without undue delay if the risk to them is high. A cybersecurity incident at a regulated organisation goes to the National Security Authority twice: a first warning within 24 hours, then a fuller report within 72 hours. If you are both, you file both, to two different bodies.High confidence
What's the trap?: Five things that are not in the summary. Public bodies can be fined the full amount, with no discount. Mishandling personal data you got through your job is a crime, not just a fine. The age of consent for online services is 16, not 13. The rule on dead people's data changed today. And the gambling server rule has no European workaround.High confidence
What's about to change?: The whole national privacy law is being replaced by two new laws — one general, one for police and courts — but they are still bills and have no legal effect. Act 18/2018 was amended today, 18 August 2026, mostly to remove dead people from its scope. Public bodies face a bigger data-registration duty from 1 January 2027, and all cloud switching and data export fees across Europe must drop to zero by 12 January 2027.High confidence
Hardest industry wall: Online gaming — Zákon č. 30/2019 Z. z. o hazardných hrách a o zmene a doplnení niektorých zákonov, § 14 ods. 21 a 22
Government — Metodické usmernenie č. 020775/2025/oSBATA z 11. 4. 2025 pre proces zaradenia cloudovej služby do katalógu vládnych cloudových služieb, vydané podľa § 24a zákona č. 95/2019 Z. z.
Mapping and location — Zákon Národnej rady Slovenskej republiky č. 215/1995 Z. z. o geodézii a kartografii

The eight framework questions answered for each selected country
Question	GreeceChecked 18 August 2026	SlovakiaChecked 18 August 2026
The three ratings	Depends on your industry Work: High Enforcement: Active	Depends on your industry Work: High Enforcement: Active
In one paragraph	For most businesses Greece is a normal European country: personal data can leave, as long as you use one of the standard European transfer tools. But Greece has two hard walls that Europe does not. Phone and internet connection records must physically sit on machines inside Greece. Online gambling operators must keep their records on a server inside Greece too. The privacy regulator is fully staffed and fining companies today.	Slovakia has no general rule that data must stay in the country. It runs on the European rulebook: send data abroad once you have the right paperwork. Three areas break that rule. Online gambling servers must sit on Slovak soil. The most sensitive government data must stay in a Slovak data centre. And anyone who takes aerial survey pictures of Slovakia must hand a copy to a defence ministry archive.
The catch	The relaxed European headline stops being true the moment you touch three things. Telecoms connection records must be stored on physical media inside Greek territory for twelve months. Online gambling records must sit on a server or safe inside Greece for ten years. And Greek public bodies must run their central systems on the Greek state's own clouds, not on a commercial cloud of their choosing. Outside those three, plus the health and public sectors, Greece imposes no storage-location rule of its own.	The easy answer stops being true in three places. First, online gambling: the operator's server must be physically in Slovakia, with no European Economic Area alternative. Second, government cloud: a public body handling the top security category of data may only use a service that stores and processes it inside Slovakia, in a data centre within reach of the Slovak state. Third, mapping: primary aerial survey imagery and published maps must be deposited with Slovak state archives, including one run by the Ministry of Defence. Banking, payments, insurance, securities, health and telecoms have no storage-location rule that we could find.
Does this apply to me?	Yes, it reaches a foreign company with no office in Greece. The European privacy rules apply to anyone anywhere who offers goods or services to people in Greece, or who watches what they do online. The Greek national law adds that it also covers anyone processing data on Greek soil. There is no size or revenue threshold that lets you off. If you have no establishment anywhere in Europe, you must appoint a written representative inside the European Union.High confidence	Yes. A company with no office in Slovakia is still caught if it offers goods or services to people in Slovakia, or watches what they do online. There is no minimum size, headcount or revenue below which you are safe. If you have no office anywhere in the European Union, you must name a written representative inside the Union, and you can put that person in any member state where your customers are — it does not have to be Slovakia.High confidence
Can the data leave the country?	In general, yes. Greece adds no storage-location rule of its own to the European baseline, so ordinary business data can be sent abroad once you have the right European transfer paperwork. Three industries break that rule completely. Telecoms companies must keep their connection records on machines physically inside Greece. Online gambling operators must keep their records on a server inside Greece. And Greek government bodies must run their main systems on state-operated clouds. Health, banking and insurance have extra hoops but no location rule.High confidence	In general, yes — with the standard European paperwork. Nothing in Slovak law says personal data must be kept in Slovakia, and the law says so almost in as many words: it applies to a Slovak company whether it processes data inside or outside the country. But three specific activities do force data to stay. Online gambling operators must put their server in Slovakia. The top security tier of government data must stay in a Slovak data centre. And aerial survey imagery of Slovakia must be handed to a state archive.High confidence
What do I have to do to send it abroad?	You need one of the standard European transfer tools before data leaves Europe. The simplest is sending it to a country the European Commission has already approved. If the destination is not approved, you sign the European Commission's standard contract with the recipient, or use approved group-wide internal rules, and you write down why you think the data will still be safe there. Greece adds no extra permission, filing or fee of its own.High confidence	Slovakia uses the European model, and it is an allowlist. Data may go to a country the European Commission has approved, or to anywhere else if you sign the Commission's standard contract, use approved group-wide rules, or fit one of a few narrow exceptions. The approved list is real and populated — it includes the United Kingdom, Switzerland, Japan, South Korea, Canada for commercial bodies, and the United States only for companies signed up to the transatlantic framework. Slovakia adds nothing of its own on top.High confidence
Who enforces this — and are they actually working?	Six bodies, and all six are genuinely working. The Hellenic Data Protection Authority is the main privacy regulator and is issuing numbered decisions and fines every month — its most recent published decisions run to July 2026 and include fines on a bank and an electricity supplier. A separate constitutional authority polices the secrecy of communications. There is also a national cybersecurity authority, a telecoms regulator, the central bank for finance and insurance, and a gambling regulator. This is not a paper regime.High confidence	The Office for Personal Data Protection of the Slovak Republic. It is real, staffed and busy. In 2025 it issued 542 final fines totalling about 468,000 euros (roughly $510,000) and actually collected about 411,000 euros of that — a very high number of fines but a very small average, about 860 euros each. It has around 60 staff and got 20 extra posts in 2025. Cybersecurity incidents go to a separate body, the National Security Authority.High confidence
How long must I keep it, and when must I delete it?	Both directions apply, and they collide. Business books must be kept five years. Medical files must be kept ten years in a private practice and twenty years everywhere else. Online gambling records must be kept ten years. Telecoms connection records must be kept exactly twelve months and then automatically deleted. In the other direction, the European rule says you must not keep personal data longer than you need it. When a specific keeping rule and the general deleting rule clash, the specific keeping rule wins.High confidence	There is no single retention rule. The general privacy rule is to delete when you no longer need the data. Against that sit long minimum-keeping duties: ten years for accounts and financial statements, and up to one hundred years after death for entries in the national health registers. Telecom companies keep far less than most people assume — Slovakia scrapped blanket call-record retention after its Constitutional Court struck it down, so operators only retain what a court order covers.High confidence
What happens when something goes wrong?	Count three clocks, not one. If personal data is lost or exposed, you have 72 hours to tell the privacy regulator. If you run important infrastructure, you have only 24 hours to send a first warning to the national cybersecurity authority, then 72 hours for a fuller report and one month for the final one. If you are a phone or internet provider, you have 24 hours to report a personal data breach and a separate duty to tell the communications secrecy authority. Missing the 24-hour clocks is the most common failure.High confidence	There are two clocks and they are different. A personal data breach goes to the privacy authority within 72 hours of you becoming aware of it, and to the affected people without undue delay if the risk to them is high. A cybersecurity incident at a regulated organisation goes to the National Security Authority twice: a first warning within 24 hours, then a fuller report within 72 hours. If you are both, you file both, to two different bodies.High confidence
What's the trap?	Five things that will cost you a weekend. First, a child in Greece can consent to an online service at fifteen, not sixteen — so an age gate built to the European default is set wrong. Second, misusing personal data is a crime here, with prison time, not just a fine. Third, several articles of the Greek privacy law are printed in the statute but the regulator has formally said they must not be applied, because they clash with European law. Fourth, telecoms connection records must physically stay in Greece. Fifth, government bodies cannot simply pick a commercial cloud.High confidence	Five things that are not in the summary. Public bodies can be fined the full amount, with no discount. Mishandling personal data you got through your job is a crime, not just a fine. The age of consent for online services is 16, not 13. The rule on dead people's data changed today. And the gambling server rule has no European workaround.High confidence
What's about to change?	Three dated changes. Electronic invoicing between businesses became compulsory for large Greek companies on 2 March 2026 and becomes compulsory for everyone else on 1 October 2026. Greece's new artificial intelligence law took effect on 22 July 2026 and forces public bodies to register every artificial intelligence system before switching it on. And from 12 January 2027 European law bans cloud providers from charging you to move your data out.High confidence	The whole national privacy law is being replaced by two new laws — one general, one for police and courts — but they are still bills and have no legal effect. Act 18/2018 was amended today, 18 August 2026, mostly to remove dead people from its scope. Public bodies face a bigger data-registration duty from 1 January 2027, and all cloud switching and data export fees across Europe must drop to zero by 12 January 2027.High confidence
Hardest industry wall	Telecoms — Νόμος 3917/2011 — Διατήρηση δεδομένων που παράγονται ή υποβάλλονται σε επεξεργασία σε συνάρτηση με την παροχή υπηρεσιών ηλεκτρονικών επικοινωνιών Online gaming — Νόμος 4002/2011 — Ρύθμιση της αγοράς παιγνίων, άρθρο 47, και Κανονισμοί Παιγνίων (ΥΑ 79305/2020 και 79835/2020) Government — Νόμος 4727/2020 — Ψηφιακή Διακυβέρνηση, άρθρο 87 (Κυβερνητικά νέφη)	Online gaming — Zákon č. 30/2019 Z. z. o hazardných hrách a o zmene a doplnení niektorých zákonov, § 14 ods. 21 a 22 Government — Metodické usmernenie č. 020775/2025/oSBATA z 11. 4. 2025 pre proces zaradenia cloudovej služby do katalógu vládnych cloudových služieb, vydané podľa § 24a zákona č. 95/2019 Z. z. Mapping and location — Zákon Národnej rady Slovenskej republiky č. 215/1995 Z. z. o geodézii a kartografii