This post uses hypothetical scenarios for illustrative purposes only. It does not describe any actual client, transaction, or representation, and is not legal advice.
The 2026 tech M&A cybersecurity story plays out the same way in almost every deal. A mid-eight-figure software or fintech target sits under an LOI with a strategic buyer. Diligence opens. The buyer sends over the standard cyber diligence questionnaire — 40 pages of controls-mapping questions, penetration-test histories, and vendor-management inventories. The target’s CTO fills in the technical fields, the target’s controller fills in the SOC 2 and PCI fields, and the target’s outside counsel handles the incident-history questions with a hedged, knowledge-qualified answer that reads well but does not actually disclose the two customer-notification letters that went out in the prior 24 months. Nine months after close, one of those prior incidents surfaces in a regulatory inquiry, and the buyer’s post-close indemnification claim runs squarely into the seller’s argument that the rep was true as far as the seller knew — because the incident, the seller now argues, was never material.
The reason this pattern keeps happening in 2026 is that the standard reps and warranties suite most deal templates carry forward was written in a materiality-and-knowledge framework that predates the last two years of federal cyber-regulatory buildout. The 2024 SEC cyber disclosure rules, the updated FTC Safeguards Rule, and the state-level breach notification statutes — including Florida’s — have all moved in the same direction: incident disclosure is now a discrete regulatory obligation, decoupled from the seller’s own materiality judgment. The M&A rep needs to move in the same direction. A properly drafted 2026 cyber incident disclosure rep pierces the knowledge qualifier, catches sub-material incidents in a defined lookback window, and puts the buyer’s post-close indemnification recovery on the same footing as the buyer’s regulatory exposure.
The regulatory framework the rep has to catch
Three regulatory regimes now define the outer boundary of cyber diligence, and a buyer whose rep does not cover all three is buying the seller’s undisclosed regulatory exposure.
First, the SEC’s cyber incident disclosure rule adopted in July 2023 and effective December 2023 added Item 1.05 to Form 8-K, requiring a public company to disclose a material cybersecurity incident within four business days of determining materiality. The rule reaches any public target and any target being acquired by a public buyer that will need to determine its own post-close 1.05 posture. The final rule is available in the Federal Register version at SEC Release No. 33-11216. A tech target whose customers include a public company — SaaS, managed services, cloud, data processing — sits inside the four-business-day disclosure clock the moment a downstream materiality determination is made. The seller’s incident-disclosure rep has to cover this.
Second, state-level breach notification statutes reach every business that holds personal information on residents of the state, and the state clocks are meaningfully shorter than federal. The Florida Information Protection Act, § 501.171, requires notification to affected Florida residents within 30 days of determining that a breach of security has occurred, with a further notification to the Florida Department of Legal Affairs when the breach affects 500 or more Floridians. A tech target with any consumer-facing footprint in Florida is inside this clock on every reportable incident. Comparable statutes in California, New York, Illinois, Texas, and Colorado impose overlapping and sometimes shorter clocks. A single incident often triggers five or six parallel state notification obligations. The rep has to cover each of them.
Third, the FTC Safeguards Rule under 16 CFR Part 314, as amended in 2021 and further amended in 2023, now reaches a materially broader set of “financial institutions” — including motor-vehicle dealers, mortgage brokers, tax preparers, and check cashers — and imposes affirmative program requirements including a designated qualified individual, a written information security program, multifactor authentication on customer data, encryption of customer data at rest and in transit, and a mandatory breach notification to the FTC within 30 days for breaches affecting 500 or more consumers. A tech target that services any of these categories is either directly subject to Safeguards or a downstream service provider under the vendor-management provision. The rep has to reach the target’s Safeguards posture and its notification history.
The four elements a 2026 incident disclosure rep needs
A tight 2026 cyber incident disclosure rep does four things the pre-2024 template rep does not do.
First, it defines a 24-month lookback window and pierces the knowledge qualifier for incidents disclosed to any regulator during that window. The seller represents, without a knowledge qualifier, that Schedule X lists every incident that was the subject of a notification to any state Attorney General, the FTC, the SEC, any state or federal financial regulator, or any customer or vendor under a contractual notification obligation, in the 24 months prior to closing. This is the rep that catches the two customer-notification letters the seller’s outside counsel would otherwise hedge into a knowledge-qualified negative. Buyers who accept a knowledge qualifier on the disclosed-to-regulator prong of the rep are giving up the fact discovery the rep is designed to force.
Second, it defines an ongoing-investigation carve-out. The seller represents that no incident is currently the subject of an open investigation, examination, subpoena, or civil-investigative demand from any regulator, and that no incident is currently the subject of a litigation hold. This element is qualified by seller’s knowledge but on a heightened-inquiry standard — the seller represents that its designated qualified individual and its outside cyber counsel have been asked and have provided their affirmative responses. The heightened-inquiry standard matters. A garden-variety knowledge qualifier lets the seller rely on ignorance; the designated-official inquiry standard requires the seller to have actually asked the people who would know.
Third, it represents that the target maintains a written information security program that meets the substantive requirements of 16 CFR § 314.4 — a designated qualified individual, a written risk assessment, MFA on customer data, encryption of customer data at rest and in transit, employee training, incident response plan, and vendor oversight — regardless of whether the target is itself directly subject to Safeguards. Buyers who impose the Safeguards baseline on non-Safeguards targets standardize the post-close integration and eliminate one of the most common repricing surprises in tech diligence.
Fourth, it represents that no incident, whether disclosed on Schedule X or otherwise, has resulted in the exfiltration or unauthorized access of a defined class of sensitive data — payment-card data, protected health information, Social Security numbers, driver’s license numbers, or authentication credentials — in a manner that would trigger a state or federal notification obligation not yet performed. This is the belt-and-suspenders rep that catches the incident the seller argues was not material enough to disclose but that regulators would have viewed differently.
The indemnification tail and the escrow interaction
The 2026 cyber rep is only as strong as the indemnification framework behind it. Two elements of the indemnification package have to move together with the rep.
The tail. Cyber incidents disclosed post-close often relate to pre-close intrusions that dwelled undetected for 18 to 24 months. A general reps-and-warranties survival period of 12 or 18 months does not reach these incidents. Buyers on tech deals in 2026 should push for a specific 24-month or longer survival period on the cyber incident disclosure rep and the related regulatory-compliance reps, backed by a specific indemnity cap that steps down over time. R&W insurance carriers now underwrite this tail as a named exclusion or a separate sublimit, and the underwriter’s questions on the target’s incident history are themselves a useful diligence signal.
The escrow. A cash escrow of two to four percent of enterprise value carved out for cyber incident indemnification, released 24 months post-close if no cyber claim has been asserted, aligns the seller’s incentive with the buyer’s post-close discovery risk. The alternative — general escrow with pro-rata release across all rep categories — leaves the buyer racing the general survival clock on cyber claims that surface after the escrow has already partially released.
Where the cyber-premium quote depends on this rep
The buyer’s own cyber insurance program is meaningfully affected by the diligence output on this rep. A buyer that presents its underwriter with a target-side incident disclosure schedule, a Safeguards-compliant WISP, and a defined-scope cyber indemnity backed by escrow will receive a materially better cyber-premium quote on the combined post-close entity than a buyer that presents an undocumented cyber posture. The delta is often 15 to 25 percent of the annual cyber premium. On a mid-market tech acquisition with a $2 million to $5 million cyber tower, this is real money over the term of the policy.
What sellers should expect to negotiate
Sellers who see the four-element rep for the first time will push back on three specific elements. First, sellers push for a knowledge qualifier on the regulator-disclosure prong. Buyers should hold the line — the whole point of the rep is to reach documented regulator interactions the seller has, by definition, already made. Second, sellers push for a shorter lookback window, arguing that 12 months is standard practice. Buyers should insist on 24 months to align with the typical dwell time of undetected pre-close intrusions. Third, sellers push for a sub-500-record threshold for the sensitive-data prong, arguing that below the FTC notification threshold, no rep should be required. Buyers should hold the substantive requirement but consider a materiality qualifier calibrated to the target’s data footprint.
The negotiating gives-and-takes here are not the interesting part. The interesting part is that a well-drafted incident disclosure rep converts the buyer’s post-close discovery risk from an unbounded regulatory exposure into a discrete indemnification claim priced against a defined escrow. Sellers who understand this arithmetic negotiate for a clean rep, a clean disclosure schedule, and a defined indemnification package. Sellers who don’t understand it usually end up with an ambiguous rep, a partial disclosure schedule, and a post-close indemnification fight that consumes the entire cyber sublimit.
For a broader treatment of how the incident-disclosure rep sits inside the seller-friendly versus buyer-friendly rep negotiation, see the internal treatments at seller-friendly vs. buyer-friendly deal terms and the M&A practice overview at montague.law M&A practice.
The 2026 diligence stack has more moving parts than it did five years ago, and the cyber rep is the piece of the reps-and-warranties suite that has moved the furthest the fastest. Deal teams whose templates still carry a materiality-and-knowledge-qualified single-sentence cyber rep are drafting to the pre-2023 regulatory environment. Deal teams whose templates carry a four-element pierce-the-qualifier rep with a 24-month tail are drafting to the world their transactions will actually close in.
If you are a tech founder within a year of going to market, or a buyer papering diligence on a Florida or multi-state target, and want to talk through how the cyber incident disclosure rep should sit inside the reps-and-warranties suite, feel free to reach out to my firm manager, Magda, at Magda@montague.law, or fill out our contact form. Mention you read this post.
— John
