---
type: "Bill"
title: "DATA SECURITY ON ST COMPUTERS"
description: "Creates the Data Security on State Computers Act. Contains only a short title provision."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "93rd"
identifier: "SB 553"
citation: "Illinois SB 553 (93rd)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 57
vote_count: 3
first_action: "2003-02-18"
last_action: "2003-07-23"
source: "openstates"
source_identifier: "ocd-bill/1451ffaa-06d1-4983-9a77-99b2f472adc6"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=553&GAID=3&DocTypeID=SB&LegId=3184&SessionID=3&GA=93"
source_hash: "7bbd14735eaa5db6a05c3ce16e11995434aef220d2a494009a8a02d0afe12b30"
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-il"]
---

# Illinois SB 553 (93rd) — DATA SECURITY ON ST COMPUTERS

Creates the Data Security on State Computers Act. Contains only a short title provision.

## Version chain

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

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09300SB0553&GA=93&SessionId=3&DocTypeId=SB&LegID=3184&DocNum=553&GAID=3&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09300SB0553eng&GA=93&SessionId=3&DocTypeId=SB&LegID=3184&DocNum=553&GAID=3&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09300SB0553enr&GA=93&SessionId=3&DocTypeId=SB&LegID=3184&DocNum=553&GAID=3&Session=&print=true)

## Votes

- Concurrence, Amendment 2 — **59–0** (pass) · upper
- Third Reading — **118–0** (pass) · lower
- Third Reading — **42–15** (pass) · upper

## Sponsors

- Brandon W. Phelps — cosponsor (person)
- Don Harmon — primary (person)
- Gary Forby — cosponsor (person)
- Karen A. Yarbrough — cosponsor (person)
- Naomi D. Jakobsson — cosponsor (person)

## Timeline

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

- **2003-02-18** Filed with Secretary by Sen. Don Harmon `filing`
- **2003-02-18** First Reading `reading-1`
- **2003-02-18** Referred to Rules `referral-committee`
- **2003-02-19** Assigned to Executive `referral-committee`
- **2003-03-06** Postponed - Executive
- **2003-03-13** Do Pass Executive; 008-003-001 `committee-passage`
- **2003-03-13** Placed on Calendar Order of 2nd Reading March 18, 2003
- **2003-03-25** Senate Floor Amendment No. 1 Filed with Secretary by Sen. Don Harmon `amendment-introduction`
- **2003-03-25** Senate Floor Amendment No. 1 Referred to Rules `referral-committee`
- **2003-03-25** Second Reading `reading-2`
- **2003-03-25** Placed on Calendar Order of 3rd Reading March 26, 2003
- **2003-03-26** Senate Floor Amendment No. 1 Rules Refers to Executive
- **2003-03-27** Senate Floor Amendment No. 1 Be Adopted Executive; 008-001-004 `committee-passage-favorable`
- **2003-04-02** Recalled to Second Reading `reading-2`
- **2003-04-02** Senate Floor Amendment No. 1 Adopted; Harmon `amendment-passage`
- **2003-04-02** Placed on Calendar Order of 3rd Reading April 3, 2003
- **2003-04-03** Third Reading - Passed; 042-015-000 `reading-3, passage`
- **2003-04-04** Arrived in House `introduction`
- **2003-04-04** Chief House Sponsor Rep. Harry Osterman
- **2003-04-04** First Reading `reading-1`
- **2003-04-04** Referred to Rules Committee `referral-committee`
- **2003-04-10** Alternate Chief Sponsor Changed to Rep. Constance A. Howard
- **2003-05-05** Committee/3rd Reading Deadline Extended-Rule 9(b); May 31, 2003
- **2003-05-05** Assigned to Computer Technology Committee `referral-committee`
- **2003-05-15** Do Pass / Short Debate Computer Technology Committee; 008-000-000 `committee-passage`
- **2003-05-15** Placed on Calendar 2nd Reading - Short Debate
- **2003-05-15** Added Alternate Chief Co-Sponsor Rep. Ruth Munson
- **2003-05-15** Added Alternate Chief Co-Sponsor Rep. Roger L. Eddy
- **2003-05-15** House Floor Amendment No. 1 Filed with Clerk by Rep. Constance A. Howard `amendment-introduction`
- **2003-05-15** House Floor Amendment No. 1 Referred to Rules Committee `referral-committee`
- **2003-05-16** House Floor Amendment No. 2 Filed with Clerk by Rep. Constance A. Howard `amendment-introduction`
- **2003-05-16** House Floor Amendment No. 2 Referred to Rules Committee `referral-committee`
- **2003-05-20** House Floor Amendment No. 2 Rules Refers to Computer Technology Committee
- **2003-05-21** House Floor Amendment No. 2 Recommends Be Adopted Computer Technology Committee; 009-000-000 `committee-passage-favorable`
- **2003-05-21** Added Alternate Co-Sponsor Rep. Karen A. Yarbrough
- **2003-05-21** Added Alternate Chief Co-Sponsor Rep. Kenneth Dunkin
- **2003-05-21** Second Reading - Short Debate `reading-2`
- **2003-05-21** House Floor Amendment No. 2 Adopted by Voice Vote `amendment-passage`
- **2003-05-21** Placed on Calendar Order of 3rd Reading - Short Debate
- **2003-05-21** Added Alternate Co-Sponsor Rep. Brandon W. Phelps
- **2003-05-21** Added Alternate Co-Sponsor Rep. Gary Forby
- **2003-05-21** Added Alternate Co-Sponsor Rep. William J. Grunloh
- **2003-05-21** Added Alternate Co-Sponsor Rep. Naomi D. Jakobsson
- **2003-05-22** Third Reading - Short Debate - Passed 118-000-000 `reading-3, passage`
- **2003-05-22** Added Alternate Chief Co-Sponsor Rep. William J. Grunloh
- **2003-05-22** Secretary's Desk - Concurrence House Amendment(s) 02
- **2003-05-22** Placed on Calendar Order of Concurrence House Amendment(s) 02 - May 23, 2003
- **2003-05-23** House Floor Amendment No. 2 Motion to Concur Filed with Secretary Sen. Don Harmon `filing`
- **2003-05-23** House Floor Amendment No. 2 Motion to Concur Referred to Rules `referral-committee`
- **2003-05-28** House Floor Amendment No. 2 Motion to Concur Rules Referred to Executive `referral-committee`
- **2003-05-28** House Floor Amendment No. 2 Motion to Concur Be Adopted Executive; 011-000-000
- **2003-05-29** House Floor Amendment No. 2 Senate Concurs 059-000-000
- **2003-05-29** Passed Both Houses
- **2003-06-27** Sent to the Governor `executive-receipt`
- **2003-07-23** Governor Approved `executive-signature`
- **2003-07-23** Effective Date July 23, 2003
- **2003-07-23** Public Act . . . . . . . . . 93-0306 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/1451ffaa-06d1-4983-9a77-99b2f472adc6`. Confidence: reported (aggregated from official Illinois legislature records).