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Global Data RulesData governance rules, country by country

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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)
GermanyChecked 18 August 2026
Yes, with paperworkWork: HighEnforcement: Active
In one paragraph
Contrary to widespread belief, neither Europe nor Germany requires personal data to be stored in Europe. What the law requires is a valid legal instrument before data leaves — an official decision that the destination is safe enough, or a standard contract, plus a documented risk assessment. Germany then adds its own layer on top, and one genuine hard wall: health and social data may only be processed in the cloud within Europe, by a provider holding a specific German security certificate.
The catch
'Germany doesn't require local storage' is true right up until you sell to a hospital, a health insurer, a doctor, a lawyer or a tax adviser. In health and social care it is simply false, and for the professional-secrecy trades a standard data processing agreement is not enough and getting it wrong is a criminal matter.
Does this apply to me?
Yes, it reaches you with no office in Germany. Europe's privacy law applies to any organisation anywhere that offers goods or services to people in Europe or monitors their behaviour. If you have no European establishment you must also appoint a representative inside Europe.High confidence
Can the data leave the country?
Yes — with paperwork. This is the single most misunderstood point in the field. European law does not say where data must sit; it says what you must have in place before it leaves Europe. Storage location is a risk factor in that assessment, never a prohibition. For non-personal data, Europe goes further and actually forbids member states from imposing storage-location rules.High confidence
What do I have to do to send it abroad?
One of three routes. Best case, the destination is on Europe's official 'adequate' list and you need nothing extra — currently 17 entries including the UK, Japan, South Korea, Switzerland, Canada for commercial bodies, Brazil since January 2026, and the United States but only for companies self-certified under the EU-US Data Privacy Framework. Otherwise you sign Europe's standard contract clauses, or get group-wide internal rules approved. In either of those two cases you must also document an assessment of whether the destination country's surveillance laws undermine the protection.High confidence
Who enforces this — and are they actually working?
Eighteen separate authorities, and for a private company it is almost never the federal one. Each of the 16 states has its own regulator, and you answer to the one where your German office is. The federal regulator handles government bodies plus telecoms and postal operators. Bavaria splits it further, with different bodies for private and public sector. If you operate across Europe, a separate rule lets you deal mainly with the regulator where your main European establishment sits.High confidence
How long must I keep it, and when must I delete it?
Business records have a floor: accounting vouchers must be kept 8 years (cut from 10 with effect from 2025, and from 2026 for banks and insurers), the annual accounts and trading books still 10 years, and business correspondence 6 years. Privacy law pushes the other way — don't keep personal data longer than you need it. Where the two collide, German law has an elegant answer: you restrict processing of the data instead of deleting it.High confidence
What happens when something goes wrong?
72 hours to tell your state regulator about a personal data breach, and without undue delay to tell affected people where the risk to them is high. Separately, since December 2025 Germany's cybersecurity law adds its own clocks for around 29,500 in-scope companies: a first warning within 24 hours, an update at 72 hours, and a full report within a month. Financial firms follow a separate European regime instead.High confidence
What's the trap?
Four. (1) Health and social data really does have to stay in Europe, with a specific German security certificate — the general 'no localisation' answer is wrong here. (2) For doctors, lawyers, tax advisers and notaries, a standard data processing agreement is NOT enough: you need explicit secrecy undertakings flowed down to every subcontractor, and breach is a criminal offence, not a fine. (3) Germany still requires a data protection officer at just 20 employees involved in data processing — far stricter than European law, and still in force despite a government promise to scrap it by the end of 2026. (4) The German rule people cite for employee data was effectively struck down by Europe's top court in 2023 but never removed from the statute book, so citing it as your legal basis is a mistake.High confidence
What's about to change?
Two hard dates and one live risk. From 12 January 2027 every cloud provider must drop switching and data egress fees to zero — renegotiate contracts now. By 31 December 2026 Germany's banking IT rulebook is fully withdrawn in favour of the European financial regime. The live risk is the US arrangement: Europe's data protection board formally asked the Commission on 31 July 2026 to review whether it is still valid, and a separate court appeal is pending. If it falls, thousands of transfers move to standard contracts overnight.High confidence
Hardest industry wall
  • Health and social care § 393 SGB V — Cloud-Einsatz im Gesundheitswesen
  • Telecoms §§ 175–181 TKG — Vorratsdatenspeicherung