NY Divorce &
Child Custody Blog

Alexa, Are You Listening? Smart Home Devices As Silent Witnesses In Divorce

From John Dean to Sammy the Bull Gravano to Fawn Hall, legal history is teeming with examples of former confidantes who flipped on their associates and provided the insider information necessary to convict. In our digital age, attorneys have no shortage of cyber stool pigeons, which can provide detailed data that might determine the outcome of a case. If you’re heading for divorce, it’s time to consider what kind of information your home’s smart devices might serve up in family court.

Smart home technology has transformed how families live, communicate, and manage their households. This is especially true for affluent families who rely on a plethora of devices, including video doorbells, voice assistants, security cameras, and connected home systems. In divorce litigation, especially high-net-worth divorces, such devices can become powerful sources of digital evidence.

What Does Alexa Know and When Did She Know It?

We’ve all had the experience of casually mentioning a product in conversation, then seeing countless ads for such items pop up on our smartphones. Big Tech is always listening. If you have outfitted your home with voice assistants, you know that such devices constantly collect and store audio. Smart speakers detect a “wake word” (“Alexa” for Amazon Echo or “Google” for Google Assistant), which activates them and transmits audio to cloud servers for processing. This process raises the possibility that devices might capture private conversations.

Another consumer concern is how tech companies use recorded data. Some devices store voice interactions unless users manually delete them or change settings, leading to large volumes of personal data accumulating over time. Amazon used to provide an option to block human reviewers from listening to Alexa voice requests. But in early 2025, that option went away. Thus, companies can analyze recordings, ostensibly to improve services, such as voice recognition, personalization, and voice identification.

Companies are highly motivated to analyze data to create consumer profiles. When devices can learn routines, interests, and even household patterns, the tech companies can compile a digital dossier on the user. For many consumers, the result is a troubling trade-off: the convenience of hands-free technology versus the possibility of continuous monitoring. Smart assistants may not literally “know” users, but the data they gather can create a detailed picture of daily life. Nevertheless, research shows that users quickly become resigned to such use of this insider information.

How Smart Home Devices Create Digital Evidence Trails

The list of smart devices that record and store audio/video in modern households is staggering:

  • Washers and dryers
  • Video doorbells
  • TVs and streaming devices (e.g., Roku, Apple TV)
  • Thermostats
  • Speakers and voice assistants (e.g., Amazon Echo, Google Nest)
  • Smart home hubs and controllers (e.g., Apple HomeKit, Samsung SmartThings)
  • Sleep trackers and smart mattresses
  • Security cameras
  • Scales and health monitoring devices
  • Robot vacuum cleaners
  • Refrigerators and networked kitchen appliances
  • Plugs and power monitors
  • Motion sensors and occupancy sensors
  • Locks and access control systems
  • Lighting systems
  • Home security alarm systems
  • Garden irrigation and lawn systems
  • Garage door openers
  • Fitness trackers and wearable devices (e.g., Apple Watch, Coros, Garmin, Oura Ring)

These devices can comprise a vast network of cyber-snoopers that routinely collect time-stamped data on movements, visitors, commands, and activities within the home. But the devices most parties might be concerned with are:

  • Video doorbells — Recording who approaches or enters a residence
  • Smart speakers — Logging voice commands and usage histories
  • Security systems — Tracking when doors open, alarms are disabled, or motion sensors are triggered

Smart device recordings are increasingly appearing in divorce and custody disputes because they can objectively show who was present in the home and when. In high-net-worth households, which operate as integrated smart-home ecosystems, the volume of stored data can be significant. From such data, forensic investigators can reconstruct daily routines and travel patterns. When a party’s whereabouts, hours kept, conduct, visitors, and activities are germane to certain divorce issues, these troves of data become fair game. The information gleaned can often corroborate or contradict written pleadings or court testimony.

Discovery and Access to Smart-Device Data in New York Divorce

New York law permits “full disclosure of all matters material and necessary” to the prosecution or defense of an action. Courts interpret this rule broadly, so that smart-home data, recordings, and account logs can be discoverable if relevant to divorce issues, such as finances, child custody, or marital misconduct.

Under Civil Practce Rule 3210, parties to a divorce action can obtain smart-home data in several ways:

  • Through document requests seeking account records or stored footage
  • Through subpoenas directed to service providers
  • Through forensic imaging of shared devices or accounts
  • Through the production of downloads from cloud storage

Courts generally allow electronic recordings into evidence if they are shown to be reliable and legally obtained. New York Evidence Rule 9.01 sets the standards for the authentication of recordings before they can be admitted into evidence in court.

New York privacy law sets some limits on recordings that might violate the state’s eavesdropping and wiretapping laws. New York is a one-party consent state for audio recordings. A participant in a conversation may record or consent to being recorded, but a party violates the law by secretly recording conversations in which they’re not participating.

Putting Smart Device Data to Use in NY Divorce Proceedings

Now that we’ve established you can use smart device data in a divorce, the question becomes, “Why?” Here are a few of the areas where the data you recover might impact the issues at stake:

Marital fault and divorce grounds: Although New York allows no-fault divorce, Domestic Relations Law § 170 still recognizes traditional fault grounds. Parties for whom divorce carries a stigma often want to prove adultery or cruel and inhuman treatment as justification for dissolving the marriage. Smart-home recordings could support such claims. Evidence of misconduct can also affect issues such as equitable distribution, custody, and spousal support.

Adultery or cohabitation: Doorbell footage or security logs might show frequent overnight visitors, repeated entries by a romantic partner, or travel patterns inconsistent with sworn statements. Voice assistant logs or home-automation timestamps might indicate when a paramour stayed overnight or used household systems. Such evidence can support claims of adultery or demonstrate that a separated spouse has been living with a partner, which can affect spousal maintenance obligations. Courts do not automatically punish adultery by denying alimony or skewing property division, but evidence that a spouse devoted time and resources to an affair can support assertions that the unfaithful spouse made a lesser contribution to the marriage and the accumulation of marital assets.

Cruelty or domestic misconduct: Video or audio recordings from interior cameras, security systems, or connected devices might capture arguments, threatening conduct, or patterns of intimidation. Recordings lawfully captured within one’s own home are generally admissible. Evidence of abusive behavior can be pivotal in child custody disputes.

Child custody disputes: When determining what custody arrangement serves the “best interests of the child,” judges evaluate parental involvement, stability, and the home environment. Smart-home data may help demonstrate:

  • Which parent is regularly present with the children
  • Who handles school drop-offs or bedtime routines
  • Whether a parent frequently leaves children with staff or third parties
  • Patterns of conflict or unsafe behavior

Video logs, access timestamps, and home-automation histories can corroborate parenting schedules or contradict claims about availability and caregiving.

Property division and financial claims: New York’s equitable distribution law provides that marital assets are divided fairly, but not necessarily equally. Evidence showing how spouses used marital resources can tip the balance for or against a party by revealing undisclosed property, undisclosed expenditures, household spending patterns, and gifts to a paramour. Such evidence can support claims that marital funds were wasted, diverted, or used for non-marital purposes. Dissolution of the marital estate is a factor courts consider when dividing assets. In high-net-worth divorces, where property portfolios are extensive, digital logs can significantly affect the outcome.

Spousal maintenance (alimony): Spousal maintenance awards in New York depend on factors such as financial circumstances, lifestyle, and the parties’ future earning capacity. Smart-home data may influence these determinations by showing whether:

  • One spouse is living with a partner who contributes financially
  • A spouse maintains a luxury lifestyle inconsistent with the claimed income
  • Undisclosed income-producing activities occur in the home

Evidence of cohabitation or financial misrepresentation can substantially affect maintenance awards.

Witness credibility: Digital recordings can affirm or contradict a party’s assertions. This can influence how the court views their veracity, which can affect how the court rules on various issues.

Smart Device Data

Households might have:

  • Multiple security systems
  • Integrated smart-home platforms
  • Staff access logs
  • Remote monitoring tools
  • Cloud-stored video archives

The ubiquitous use of devices creates a far richer digital footprint than in typical households. As a result, smart-home evidence is increasingly prevalent in high-asset divorce cases, where the financial stakes justify deeper investigation and expert forensic analysis.

Smart home devices may seem like conveniences, but in divorce litigation they can become powerful sources of evidence. Understanding how that data can be used, and how to protect your rights, requires experienced legal counsel.

For guidance on divorce, digital evidence, or high stakes family law matters, contact our office at 212.682.6222 to schedule a consultation.

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Karen Rosenthal

Karen B. Rosenthal is a partner and co-founder at matrimonial litigation firm Bikel Rosenthal & Schanfield LLP, where she brings 35 years of matrimonial law experience to bear in matters involving high-net-worth equitable distribution, contentious custody battles, and other high-stakes disputes. Certified as an Attorney for the Child and a frequent speaker on topics related to children going through high-stakes divorce, she has been recognized as a leading New York lawyer by Super Lawyers, Best Lawyers, Crain's New York Business magazine, and New York magazine.

To connect with Karen: 212.682.6222 | [hidden email] | Online

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