Consumer Protection & Antitrust BureauSecurity Breach Notifications
Security breach notifications are listed by company name.
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numeric
- M.C. Dean, Inc., September 19, 2022
- M. Arthur Gensler, Jr., and Associates, Inc., July 24, 2023
- M. Green and Company LLP, October 14, 2022
- M Holdings Securities, Inc., December 2, 2019
- M&M Excavating, Inc., January 10, 2023
- M & R Strategic Services, Inc., September 23, 2015
- MA Federal Holdings, Inc. dba IGov Technologies, Inc., November 15, 2021
- Mabrey Bank, May 28, 2020
- MAC Pizza Management, Inc., July 7, 2023
- MacDowell Colony Inc., The, August 24, 2020
- Macfarlane Ferguson & McMullen, February 9, 2024
- Macmillan, December 5, 2022
- Macy’s, Inc. November 18, 2019
- Macy's, Inc., July 02, 2018
- Maddox Electric Company, Inc., July 17, 2019
- Made In Oregon, June 22, 2021
- Made In Oregon, October 5, 2020
- Madeira School, December 11, 2020
- Madison Square Garden, November 22, 2016
- Maersk Line Limited, July 25, 2023
- Magavern Magavern Grimm LLP, June 20, 2023
- Magellan Health Inc., June 17, 2020
- Magellan Health, Inc., May 18, 2020
- Magellan Health, Inc., November 27, 2019
- Magers & Quinn Booksellers, October 13, 2021
- MailMyPrescriptions.com, April 12, 2021
- Maimonides Medical Center, December 1, 2020
- Main Line Investment Partners, September 28, 2021
- Maine Drilling and Blasting, July 9, 2021
- Maine Drilling and Blasting, February 26, 2021
- Main Street America Group, May 10, 2019
- Main Street Clinical Associates, PA, November 18, 2019
- Maintech Managed Services, July 19, 2023
- Major League Baseball Players Benefit Plan, March 22, 2022
- Major League Lacrosse, September 06, 2017
- Make-up Designory, February 05, 2018
- Makeup Geek, LLC., January 19, 2018
- Malcom and Baker, CPAs, July 06, 2018
- Malley’s Candies, Inc., August 15, 2022
- Malley’s Candies, Inc., May 18, 2022
- Malley's Chocolates PLC, April 30, 2018
- Maloney & Kennedy, PLLC, March 29, 2017
- MAM Software, Inc., February 14, 2017
- Managed Care of North America Inc., July 11, 2023
- Managed Care of North America, Inc., May 26, 2023
- Managed Markets Insight & Technology, LLC’s, November 1, 2021
- Management Health Systems, Inc. d/b/a MedPro Healthcare Staffing, March 18, 2016
- Manchester Capital Management, LLC, June 18, 2018
- Manchester Hotel Hospitality, LLC, June 23, 2015
- Mandarin Oriental, July 10, 2015
- Manduka, August 01, 2018
- Manduka, March 27, 2018
- Manduka, October 31, 2016
- Manhasset Union Free School District, April 20, 2022
- Manhattan Prep (MG Prep, Inc.), April 03, 2012
- Manhattan School of Music, February 25, 2022
- Manhattan School of Music, April 16, 2019
- Mannix Marketing, December 12, 2013
- Mansfield Energy Corp., August 1, 2019
- Manson Construction Co., March 18, 2021
- Maple Leaf Foods, Inc., January 30, 2023
- Maplecrest Ford, January 19, 2018
- Maplesoft, April 12, 2022
- Marans Newman Tsolis & Nazinitsky LLC, May 12, 2022
- Marathon Petroleum Company LP, April 15, 2019
- Maricopa County Community College District, November 27, 2013
- Marine Bank & Trust, September 13, 2021
- Marine Corps Association & Foundation, August 11, 2017
- Mariner Management Group, November 20, 2023
- Marines' Memorial Association & Foundation, April 12, 2021
- Mariners' Museum and Park, The, October 8, 2020
- Maritz Holdings, Inc., May 23, 2016
- Mark Nichols, CPA, March 18, 2020
- Marker Group, Inc., April 18, 2022
- Marker Group, Inc., The, January 4, 2022
- MarketPlace: Handwork of India, September 18, 2023
- Marlabs, Inc., January 10, 2022
- Marquis Management LLC, March 15, 2021
- Marriott Vacation Club, January 31, 2011
- Mars Area School District, May 1, 2023
- Marsh McLennan, June 30, 2021
- Marsh Mercer, December 27, 2010
- Marsh Mercer, August 04, 2010
- Marsh US Consumer, December 27, 2010
- Marshall & Melhorn, LLC, June 12, 2023
- Marten Transport, Ltd., March 29, 2022
- Martin Energy Group Services, LLC, July 1, 2021
- Marvel Consultants, Inc., January 10, 2024
- Maryknoll School, March 25, 2021
- Maryland Institute College of Art, March 27, 2019
- MBS Textbook Exchange, LLC, May 1, 2020
- Mason Tenders' District Council Welfare Fund, Annuity Fund, and Pension Fund, July 11, 2022
- Mason Tenders' District Council Welfare Fund, Annuity Find, and Pension Fund, June 27, 2022
- Mass General Brigham Incorporated, December 18, 2020
- Mass General Brigham Wentworth-Douglass Hospital, February 13, 2024
- Mass General Hospital and Brigham & Women’s Hospital, August 18, 2023
- Massachusetts Clean Energy Technology Center, September 20, 2021
- Massachusetts College of Pharmacy and Health Sciences, March 5, 2024
- Massachusetts Continuing Legal Education, July 21, 2021
- Massachusetts Eye and Ear Infirmary, Inc., June 16, 2016
- Massachusetts Financial Services Company, April 01, 2009
- Massachusetts General Hospital, July 05, 2017
- Massachusetts General Hospital, January 25, 2017
- Massachusetts General Hospital, June 29, 2016
- Massachusetts General Hospital, July 08, 2015
- Massachusetts General Hospital and Mass General Brigham, December 20, 2023
- Massachusetts General Hospital and Mass General Brigham Incorporated, December 8, 2023
- Massachusetts General Hospital Brigham, April 17, 2023
- Massachusetts Mutual Life Insurance Company, February 16, 2018
- Massachusetts Mutual Life Insurance Company, August 29, 2017
- Massachusetts Mutual LIfe Insurance Company, July 12, 2017
- Massachusetts Mutual Life Insurance Company, July 27, 2015
- Massachusetts Mutual Life Insurance Company, February 14, 2013
- Massachusetts Mutual Life Insurance Company, December 16, 2013
- Massachusetts Office of Consumer Affairs and Business Regulation, November 15, 2016
- Massachusetts Society for the Prevention of Cruelty to Children, February 12, 2014
- MassDOT, June 17, 2019
- Massey Services, Inc., January 27, 2020
- MassMutual Financial Group, September 08, 2009
- Massood & Company, July 20, 2017
- Master Halco, Inc., January 25, 2021
- Masy BioServices, September 08, 2016
- Matador Recordings, LLC, July 15, 2016
- Match-Up Solutions, LLC, May 26, 2016
- Matco Tools, January 26, 2023
- Maternal & Family Health Services, Inc., January 17, 2023
- Mather Group LLC, The, September 14, 2023
- Mativ Holdings, Inc., October 3, 2022
- Matrix Absence Management, March 24, 2020
- Matrix Service Company, March 11, 2016
- Matson Navigation Company, December 3, 2020
- Mat-Su Surgical Associates, APC, May 18, 2020
- Mattress Insider, LLC, June 25, 2020
- Mattson Technology, Inc., March 27, 2023
- Mauch Chunk Trust Company, August 22, 2023
- Maumee Express, Inc., November 1, 2021
- Max-Tech, Inc., June 26, 2023
- Maxim Capital Enterprises, Inc., March 07, 2017
- Maxim Crane Works, LP, March 15, 2017
- Maxim Healthcare Group, November 9, 2021
- Maximum Quality Foods, Inc., July 27, 2021
- Maximus, Inc., August 25, 2023
- Maximus, Inc., June 24, 2021
- Maxxis International – USA, January 16, 2024
- McAlester Regional Health Center, November 21, 2023
- McAlister's Corporation, October 3, 2019
- McAvinney Employee Benefit Services LLC , February 28, 2019
- McCarter & English LLP, October 18, 2022
- McCord LLC, November 18, 2023
- McCracken Financial Solutions Corp., June 14, 2023
- McDavid, Inc., May 01, 2017
- McDermott BlueCross, BlueShield Medical Plan, February 27, 2015
- McDermott Investment Advisors, LLC and McDermott Investment Services, LLC, September 14, 2022
- McDermott Investment Services, LLC, March 05, 2014
- MCG Health, LLC, July 11, 2022
- MCG Health, LLC, July 8, 2022
- MCG Health, LLC, June 13, 2022
- McGivney, Kluger, Clark & Intoccia, P.C., May 31, 2023
- McGrath RentCorp, December 15, 2021
- McKenna & Sachs LLC, November 16, 2018
- McKeogh Company, The, October 15, 2019
- McKesson, August 09, 2013
- McKesson, September 11, 2007
- McKesson, August 30, 2007
- McLane Middleton, Professional Association, December 23, 2020
- McLaren Health Care, November 9, 2023
- McLeod Express, LLC, October 25, 2023
- McMahan, Thomson & Associates, April 27, 2018
- McMenamins, Inc., January 18, 2022
- McMillan Metro, P.C., November 7, 2022
- McNair & Company, August 27, 2021
- McNair & Company, October 05, 2017
- McNEIL-PPC, Inc., May 24, 2007
- McNeill Baur PLLC, February 6, 2024
- McPherson College, July 17, 2020
- McPherson College, July 10, 2020
- McPherson Hospital, Inc., May 4, 2023
- MCR Investors LLC, April 23, 2018
- McSweeney and Ricci, August 3, 2021
- MDF Instruments, February 03, 2017
- MEBA Benefit Plans, July 27, 2018
- Mechanical Construction Services, Inc., September 04, 2018
- Med-A-Vision, September 18,2018
- MedAltus, LLC, August 03, 2016
- Med Associates, Inc., June 14, 2018
- Med-Data Incorporated, April 8, 2021
- Medaglia & Murphy, Inc., March 21, 2022
- MedEvolve, July 27, 2018
- MedEvolve, July 10, 2018
- Mediant Communications Inc, May 28, 2019
- Medical College of Wisconsin, November 20, 2023
- Medical Collegues of Texas, LLP, May 11, 2016
- Medical Eye Services, Inc., November 22, 2023
- Medical Eye Services, Inc., November 20, 2023
- Medical Healthcare Solutions, Inc., January 25, 2022
- Medical Informatics Engineering, June 19, 2015
- Medical Informatics Engineering, July 15, 2015
- Medical Management, LLC, May 13, 2015
- Medical Management Resource Group, L.L.C., February 23, 2024
- Medical Review of America, March 14, 2022
- Medical Review Institute of America, July 16, 2022
- Medical Review Institute of America, July 16, 2022
- Medical Review Institute of America, January 21, 2022
- Medical Review Institute of America, January 10, 2022
- MedInForm, Inc., May 31, 2023
- MEDNAX Services, Inc., January 12, 2021
- Medtronic Minimed, November 26, 2018
- MedWatch, LLC, April 27, 2018
- MedWatch, LLC, April 13, 2018
- Megellan Health Inc., December 22, 2020
- MEI-GSR (Grand Sierra Resort), June 10, 2016
- Melissa D. Selke, Dr., December 12, 2016
- MelroseWakefield Healthcare, Inc., July 10, 2020
- MemberClicks, Inc. dba Moolah Payments, November 18, 2014
- Member First Mortgage, LLC, January 26, 2018
- Memorial Healthcare System, July 11, 2012 S
- Memorial Healthcare System, April 12, 2012
- Memorial Hospital, June 17, 2019
- Memory4Less, October 24, 2017
- Menninger Clinic, The, October 1, 2021
- Mental Health Center of Greater Manchester, The, April 28, 2022
- Mental Health Center for Southern New Hampshire d/b/a CLM Center for Life Management, The, April 29, 2022
- Merani Hospitality Inc., July 17, 2020
- Merced City School District, December 20, 2023
- Meridian Printing, Inc., July 26, 2021
- Mercer Administration, March 15, 2011
- Mercer, County of , January 19, 2021
- Mercer HR Services, LLC, May 06, 2014
- Merchant America, March 23, 2007
- Merchant One, Inc., November 30, 2020
- Mercer University, May 25, 2023
- Mercier, May 13, 2010
- Mercy Iowa City, December 1, 2020
- Mercyhurst University, November 14, 2022
- Meridian Behavioral Healthcare, Inc., December 22, 2023
- Meridian Health Services Corp., April 27, 2020
- Meriplex Communications, Ltd., January 13, 2023
- Meritus Federal Credit Union, November 22, 2021
- Merlin Information Services, April 07, 2011
- Merlin Information Services, October 04, 2010
- Merrick & Company, April 23, 2021
- Merrick Bank, April 12, 2019
- Merrill Lynch, December 29, 2008
- Merrill Lynch, December 16, 2008
- Merrill Lynch, August 07, 2007
- Merrill Lynch, March 27, 2007
- Merrimack Mortgage Company, LLC, September 02, 2016
- Merritt Healthcare Advisors, March 20, 2023
- Merritt Park Holdings, LLC, April 20, 2020
- Metabolic Maintenance Products, Inc., September 16, 2021
- Metabolic Maintenance Products, Inc., December 23, 2020
- Metairie Park Country Day School, December 11, 2020
- Methodist McKinney Hospital, August 29, 2022
- Methodist McKinney Hospital and Methodist Craig Ranch Surgical Center, September 1, 2022
- Methodist Theological School, November 10, 2010
- MetLife, December 19, 2018
- Metromite Insurance Company, March 8, 2021
- Metropolitan Area Planning Council, January 19, 2024
- Metropolitan Associates, November 14, 2022
- Metropolitan Community College of Kansas City, August 20, 2020
- Metropolitan Companies, Inc., The, June 18, 2014
- Metropolitan Life Insurance Company, October 18, 2010
- Metropolitan Opera, The, May 31, 2023
- Metropolitan Opera, The, May 9, 2023
- Metropolitan Realty Group, November 15, 2021
- Mevion Medical Systems, June 21, 2021
- Meyer Corporation, U.S., February 18, 2022
- MFA Financial, Inc., September 1, 2021
- MFS Service Center, Inc., September 16, 2013
- MGM Resorts International, November 30, 2023
- MGM Resorts International, September 4, 2019
- MGS Mfg. Group, Inc., October 11, 2022
- M Holdings Securities, Inc., August 31, 2016
- MHMR Authority of Brazos Valley, August 1, 2023
- MJH Life Sciences, August 15, 2022
- Michael & Son Services, Inc., February 14, 2023
- Michael J. Duranceau, CPA, LLC., June 01, 2018
- Michael Saunders & Company, January 18, 2018
- Michael Saunders & Company, December 18, 2017
- Michaels Stores, Inc., April 18, 2014
- Michaels Stores, Inc., January 27, 2014
- Mid-America Apartment Communities, Inc., May 20, 2015
- Mid American Mortgage, Inc., December 13, 2021
- Michels Corporation, April 25, 2016
- Michigan Catholic Conference and Paycor, February 1, 2024
- Michigan State University, August 14, 2020
- Michigan State University, November 22, 2016
- MicroDAQ.com, Ltd, October 07, 2016
- Micro-Mom Scooters LLC, June 27, 2019
- MidAmerica Credit Union, October 12, 2021
- Mid-American Elevator Company (see USA Hoist), November 14, 2017
- Mid-American Elevator Equipment Company (see USA Hoist), November 14, 2017
- Mid-Atlantic Carpenters' Training Center MACTC, December 29, 2017
- Middlefield Banking Company, December 21, 2023
- Middleton, New Hampshire, Town of, May 25, 2022
- Middletown, New York, City of, October 21, 2016
- Midland University, January 31, 2022
- MidState Medical Center, April 05, 2011
- Midwest Gaming & Entertainment, LLC., dba Rivers Casino Des Plaines, December 1, 2023
- Midwest Supplies, LLC, August 27, 2013
- Milan Eye Center, August 28, 2023
- Milar, CPA PC, Glenn R., March 29, 2017
- MiLEND, Inc., October 4, 2023
- Milestone Hospitality Management, LLC, August 14, 2015
- Milestones Financial Planning, LLC d/b/a Fox & Company Wealth Management, May 28, 2020
- Milford Management Corp., October 30, 2023
- Milford Regional Medical Center, June, 26, 2020
- Millennium Healthcare Group, December 17, 2019
- Millbrook School, March 23, 2021
- Mille Lacs Health System, May 13, 2020
- Millenia Investments, LLC, February 8, 2022
- Miller's Ale House Inc., March 26, 2021
- Millimaki Eggert, LLP, June 13, 2013
- Milliman, January 17, 2024
- Milliman, Inc., August 17, 2023
- Milliman Solutions, LLC dba Milliman Intelliscript, July 20, 2023
- Milwaukee School of Engineering, December 26, 2019
- Mindlance, Inc., January 19, 2018
- Minerals Technologies, Inc., December 8, 2020
- Minka Lighting, LLC, October 31, 2022
- Minneapolis Public Schools, September 5, 2023
- Minuteman Security Technologies, December 6, 2021
- Minuteman Senior Services, June 23, 2022
- Mission Essential Group, The, July 25, 2023
- Mission Health, October 14, 2019
- Mission Linen Supply Company, July 24, 2012
- Missions Door, November 03, 2017
- Missouri Southern State University, June 13, 2019
- Mitchell Gold + Bob Williams, February 03, 2017
- Mitchell International, Inc., March 14, 2016
- Miyoshi America, Inc., May 4, 2023
- Mizick Miller & Company, Inc., October 27, 2023
- MJ Insurance, December 31, 2018
- MKS Instruments, Inc., February 15, 2023
- MLSgear, February 01, 2008
- MMA Operations, Inc., September 1, 2022
- MMBB Financial Services, May 6, 2019
- MMF Industries, March 21, 2016
- MMF POS, May 13, 2016
- MNP Corporation, April 06, 2016
- Mobius Executive Leadership, August 28, 2019
- Mobomo, LLC, December 5, 2022
- MODE Global LLC, October 18, 2022
- Modern Gun School, October 27, 2014
- Modjeski and Masters, Inc., March 8, 2022
- Mohr CPA’s LLP, November 22, 2023
- Molecular Pathology Network, inc., August 8, 2022
- Momentive Performance Materials Savings Plan, April 01, 2015
- Monadnock Community Bank, November 09, 2010
- Monadnock Community Bank, September 23, 2010
- Monadnock Regional School District, June 05, 2015
- Monarch, December 27, 2022
- Mondelez Global LLC, June 15, 2023
- Mondelez International, August 16, 2018
- MoneyLine Lending, April 30, 2021
- MoneyLion Inc., September 27, 2021
- Monongalia Health System, Inc., December 21, 2021
- Moody National Companies, LP, May 1, 2023
- Monoprice, April 02, 2010
- Monster Worldwide, Inc., November 04, 2011
- Montachusett Regional Vocational Technical School District, December 1, 2023
- Montana Department of Public Health and Human Services, July 03, 2014
- Montana Department of Public Health and Human Services, June 23, 2014
- Montana State University, June 13, 2013
- Montana State University, December 21, 2012
- Monticello Central School District, January 12, 2018
- Moorestown Visiting Nurse Association, May 8, 2020
- Morgan Brown & Joy, LLP, November 8, 2021
- Morgan Stanley, July 2, 2021
- Morgan Stanley, July 10, 2020
- Morgan Truck Body, LLC, August 6, 2021
- Morley Companies, Inc., March 21, 2022
- Morley Companies, Inc., February 1, 2022
- Morley Companies, Inc., January 26, 2022
- Morris 4x4, March 5, 2021
- Morris Hospital & Healthcare Centers, August 23, 2023
- Morris Rothenberg & Son, Inc. dba Rothco, November 03, 2016
- Morristown Drivers Service, Inc., May 5, 2023
- Mortgage Bankers Association, February 23, 2021
- Mortgage Contracting Services LLC, February 22, 2024
- Mortgage Industry Advisory Corporation, September 5, 2023
- Mortgage Industry Advisory Corporation, July 31, 2023
- Mortgage Industry Advisory Corporation, July 10, 2023
- Mortgage Industry Advisory Corporation, May 26, 2023
- Mosaic Tile Company of Virginia, Inc. April 8, 2019
- Moses Brown School, December 8, 2020
- Moseley Architects, March 7, 2022
- Moss Adams, LLP, February 25, 2020
- Moss Inc., January 19, 2021
- Moss Adams LLP, December 23, 2019
- Mothers’ Milk Bank of North Texas and Timeless Medical Systems, April 17, 2023
- Motorola, February 06, 2009
- Motorola Mobility, Inc., February 03, 2012
- Mount Desert Island Hospital, Inc., July 14, 2023
- Mount Saint Mary College, February 8, 2023
- Mount Sinai South Nassau, September 23, 2020
- MountainOne, December 9, 2022
- Mountain Park Health Center, April 15, 2016
- Mountain View Family Practice, PC, August 31, 2023
- Mount Vernon Mills Retirement Plans, October 14, 2022
- Movement Mortgage, September 04, 2018
- Movement Mortgage, July 10, 2017
- Mowery & Schoenfeld, LLC, October 16, 2019
- Mowery Clinic, November 5, 2021
- Moye White LLP, September 21, 2020
- M.P. Roberts Insurance Agency, January 24, 2022
- Mr. Chuck Porter, CPA, April 23, 2020
- MRAG Americas, Inc., August 30, 2021
- MRI Network, November 29, 2021
- Mrs Prindables, February 24, 2017
- M. Stanley Metz & Company, Inc., February 01, 2017
- MSK Group, P.C., July 05, 2018
- MSX International Inc., July 19, 2023
- MTC Holsters LLC dba Crossbreed Holsters, January 20, 2023
- Mt. Diablo Unified School District, December 18, 2012
- MTG USA, Inc., October 8, 2021
- Mt. Hood Meadows Oreg LLC, November 9, 2023
- Mt. Rushmore Firms, February 14, 2013
- MUFG Union Bank, N.A., December 13, 2018
- Mulkay Cardiology Consultants at Holy Name Medical Center, P.C., November 3, 2023
- Multi-Color-Corporation, October 28, 2022
- Multi-Color Corporation, August 02, 2016
- Multi-Color Corporation, June 15, 2016
- Multnomah Athletic Club, January 02, 2018
- Municipality of Anchorage, June 8, 2021
- Munro and Company, Inc., August 22, 2018
- Muscatine Power and Water, March 1, 2024
- Museum of the American Revolution, The, March 15, 2021
- Mutual of Omaha Bank, October 25, 2019
- MW Components, August 30, 2023
- MW Components, July 28, 2023
- My Community Credit Union, March 15, 2021
- My Pilot Store, March 19, 2010
- MyCUmortgage, LLC and Mortgage Industry Advisory Corporation, July 20, 2023
- myMatrixx, February 13, 2014
- Myron Corp. d/b/a Pen Factory, June 5, 2020
- Mystery Science, December 19, 2019
- mytreo.net, May 29, 2007