---
type: "Bill"
title: "A bill for an act relating to affirmative defenses for entities using cybersecurity programs."
description: "A bill for an act relating to affirmative defenses for entities using cybersecurity programs."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2023-2024"
identifier: "HF 553"
citation: "Iowa HF 553 (2023-2024)"
classification: ["bill"]
subjects: ["business and commerce", "business entities", "cybersecurity", "technology", "tort law"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 14
vote_count: 2
first_action: "2023-03-02"
last_action: "2023-05-03"
source: "openstates"
source_identifier: "ocd-bill/2dee91a0-e257-43fc-b3ff-82d5c3f26f4b"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 553&ga=90"
source_hash: "3ec9256413376cbc1336d9c49562e5b076395c7369bac6110ce354704ec9e9b4"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ia"]
---

# Iowa HF 553 (2023-2024) — A bill for an act relating to affirmative defenses for entities using cybersecurity programs.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](https://www.legis.iowa.gov/docs/publications/LGI/90/attachments/HF553.html)
2. **Amendment H-1071** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/90/H1071.pdf)
3. **Reprinted** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGR/90/attachments/HF553.html)
4. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/90/Attachments/HF553_GovLetter.pdf)
5. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/90/attachments/HF553.html)

## Votes

- Shall the bill pass? — **50–0** (pass) · upper
- Shall the bill pass? — **97–0** (pass) · lower

## Sponsors

- COMMITTEE ON ECONOMIC GROWTH AND TECHNOLOGY — primary (organization)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-03-02** Introduced, placed on calendar. `introduction`
- **2023-03-08** Amendment H-1071 filed. `amendment-introduction`
- **2023-03-15** Amendment H-1071 adopted. `amendment-passage`
- **2023-03-15** Passed House, yeas 97, nays 0. `passage`
- **2023-03-15** Immediate message.
- **2023-03-16** Message from House.
- **2023-03-16** Read first time, attached to SF 495. `reading-1`
- **2023-03-30** Placed on calendar under unfinished business.
- **2023-04-19** Substituted for SF 495.
- **2023-04-19** Passed Senate, yeas 50, nays 0. `passage`
- **2023-04-19** Immediate message.
- **2023-04-20** Message from Senate.
- **2023-05-03** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2023-05-03** Signed by Governor. `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2dee91a0-e257-43fc-b3ff-82d5c3f26f4b`. Confidence: reported (aggregated from official Iowa legislature records).