Short answer: A client can change her locks, her phone number and her passwords, and the other person may still know where she was on Tuesday. Post separation abuse cases often run on shared accounts nobody switched off, because those accounts are built to keep working quietly in the background. This post explains how several of them actually behave, so the picture makes sense when a client describes something that sounds impossible.
In short:
- A new phone signed into the same account usually pulls back the same connections within minutes.
- Changing a password does not always sign other devices out, so access can survive it.
- Turning off location sharing can notify the other person, which matters a great deal for timing.
- Shared albums, family plans and calendars quietly report places, purchases and people.
- None of this is obvious. These features are designed to be invisible, and that is exactly the problem.
What keeps post separation abuse UK running after a move
An ordinary couple builds up a surprising amount of shared machinery over ten years, and almost none of it is labelled as shared.
There is usually a family plan on an Apple or Google account, paid for by one of them. A photo album that updates by itself. A joint calendar. A location circle somebody set up years ago for late drives home. A banking app both can open. A doorbell camera linked to two phones. Saved passwords in a browser they both sign into.
Then one of them moves out in a fortnight, while handling schools, money, housing and solicitors. The accounts stay exactly as they were, because switching them off means knowing they are there.
| What stays connected | What it quietly shows |
|---|---|
| A family plan on a shared Apple or Google account | Purchases and downloads, and often location and backups |
| A shared photo album | Where she has been, who with, and when, as she adds pictures |
| A joint calendar | Appointments, work patterns, and who she is meeting |
| A location circle from years ago | Her new address, in real time |
| A banking app both people can open | Every payment, which maps her whole week |
| A doorbell camera still on his phone | Who comes to her door, and at what time |
Nobody had to do anything after the separation for that to carry on. The accounts simply kept doing their job.
Four things about these accounts that catch people out
This is the part worth knowing, because post separation abuse UK cases often turn on a moment when a client describes something that sounds impossible.
A new phone often changes nothing. Buying a new handset feels like a clean break, and it is one of the first things people do. But a new phone signed into the same account usually restores the same settings, the same sharing and the same connections within minutes of switching on. The device is new. The account is not.
Changing a password may not remove access. People reasonably assume a new password locks everybody out straight away. Often it does not, because devices already signed in can stay signed in until somebody signs them out specifically. Access can outlive the password change by a long way.
Switching off location sharing can announce itself. This is the one that matters most for safety. On several services, when somebody stops sharing their location, the other person gets told, or simply notices the dot has gone. A quiet safety step becomes a visible event. That is worth understanding before anybody advises on timing or order. What to do about it in a particular case is a question for the solicitors and any domestic abuse service involved.
Phones back themselves up. A phone linked to a shared account may be putting its photos, messages and contacts into storage another person can reach. The client is doing nothing unusual. The backup is simply running as designed.
Each of those explains why a client can insist she changed everything and be telling the truth.
Why money stays connected longest
Of everything above, the financial links survive best and get raised least, partly because they look like admin rather than abuse.
A joint account. A shared credit card. A phone contract in one name. A car on finance. A utility login. Each one is ordinary, and each one is also a way of knowing things. A payment record maps somebody’s week. A phone contract can be ended by whoever holds it.
Surviving Economic Abuse works specifically on this and explains how economic control operates during and after a relationship. On the legal side, the Domestic Abuse Act 2021 sets out the statutory definition of domestic abuse, which includes economic abuse. What either means in a particular case is a question for the solicitors involved.
The technical point is narrower. In post separation abuse UK cases the money and the devices usually sit on the same phone, and closing a joint account is far harder than people expect when one person will not cooperate.
Where co-parenting apps fit into post separation abuse UK cases
Co-parenting apps get recommended a great deal, and in many cases they genuinely help. Communication goes to one place, the app keeps a record, and the temptation to send something at midnight drops.
They are not automatically a solution, and it is useful to know why. An app that logs everything is still a channel. Where somebody means to carry on, the behaviour adapts rather than stops. Messages become faultlessly polite and relentlessly frequent. Every handover produces a dispute in writing. The record itself becomes the point, built for an audience rather than for the child’s arrangements.
So the useful question is not whether a family uses one, but how. An app can carry the same pressure in a tidier font.
What family law teams tend to miss on the digital side
None of this reflects on how anybody practises. These features are built to be invisible, they change every few months, and no solicitor could reasonably be expected to track them. Three points come up often enough to be worth having to hand.
The first is that the shared account list runs longer than anyone expects. Beyond the bank and the house sit the family plan, the photo album, the calendar, the location circle and the doorbell, and each one needs unpicking separately. A client asked simply “what do the two of you still share?” will often start listing things she had genuinely forgotten.
The second is that the child’s device is frequently the connection that remains. It belongs to a nine-year-old, so it sits outside everything anybody thinks to ask about, and it is very often still linked to both parents.
The third is that a client who insists he cannot possibly know something is usually right about her own actions and wrong about the technology. She did change everything she knew about. Something she did not know about carried on.
Kids n Clicks covers the phone side of this in our post on post separation abuse through a phone, and the effect on children in our post on parental alienation through a child’s phone.
Our Digital Dimension in Family Law training covers this properly. It shows what family plans and shared accounts actually reveal, how location sharing behaves after a separation and what it announces, what a device backs up and where that goes, and the handful of questions that open all of it up at a first meeting.
The session teaches the technology, not the law. Solicitors already know the law. What often goes missing is a clear read of what actually happened on the phones, the apps and the accounts, and that is the gap this session fills. It is a specialist session, delivered online or in person, to a whole team or to individuals.
If you work in family law, connect with Parven on LinkedIn or get in touch here to book a session for your team.
Parven Kaur is a digital parenting and online safety expert, and the founder of Kids n Clicks. She trains family law teams on the technology side of their cases. She won the Scottish Cyber Security Award, and she sits on the National Board of Advisors for Barnardo’s Scotland.
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