2023-02-06 MKS INSTRUMENTS INC Cybersecurity Incident

Page last updated on April 11, 2024

MKS INSTRUMENTS INC initially disclosed a cybersecurity incident in an SEC 8-K filing on 2023-02-06 08:00:54 EST.

Incident Details

Material: Unknown
Is Breach: Unknown
Records Compromised: Unknown
Data Types Impacted: No Data Types Tracked (yet)

Compromised Date:
Detected Date: 2023-02-03
Disclosure Date: 2023-02-06
Contained Date:
Recovered Date:

Attack Goal: Unknown

Costs: No Costs Tracked (yet)

Filings

8-K filed on 2023-02-06

MKS INSTRUMENTS INC filed an 8-K at 2023-02-06 08:00:54 EST
Accession Number: 0001193125-23-024904

Item 8.01 Other Events.

On February 3, 2023, MKS Instruments, Inc. (the “Company”) identified that it had become subject to a ransomware event and took immediate action to activate its incident response and business continuity protocols to contain the incident. The Company’s investigation and assessment of the impact of this incident is ongoing and appropriate incident response professionals have been engaged. The Company has notified law enforcement authorities.

The Company is in the early stages of its investigation and assessment of this incident. The incident has affected certain business systems, including production-related systems, and as part of the containment effort, the Company has elected to temporarily suspend operations at certain of its facilities. The Company is working diligently to complete the investigation and restore the Company’s systems and impacted operations as quickly as possible. The full scope of the costs and related impacts of this incident, including the extent to which the Company’s cybersecurity insurance may offset some of these costs, has not been determined.

8-K filed on 2023-02-13

MKS INSTRUMENTS INC filed an 8-K at 2023-02-13 08:00:57 EST
Accession Number: 0001193125-23-034334

Item 8.01 Other Events.

On February 13, 2023, MKS Instruments, Inc. (the “Company”) issued a press release that included additional information on the ransomware event the Company had previously disclosed in a Current Report on Form 8-K filed on February 6, 2023.

Upon learning of the ransomware event, the Company took immediate action to contain the incident and has initiated the recovery phase. The Company continues to work diligently to restore operations at affected facilities. The ransomware event has had a material impact in the first quarter on the Company’s ability to process orders, ship products and provide service to customers in the Company’s Vacuum Solutions and Photonics Solutions Divisions. The incident has not impacted the operations of the Company’s Materials Solutions Division. The full scope of the costs and related impacts of this incident, including the extent to which the Company’s cybersecurity insurance may offset some of these costs, has not been determined.

Exhibit No. 99.1

Press Release issued by the Company on February 13, 2023

Company Information