Lumen Technologies
American communications company
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| May 2025 | Announced an agreement to sell its consumer fiber business to AT&T for $5.75 billion. |
| 2024 | Lumen Technologies was reported to be affected by a cyber attack from the Salt Typhoon advanced persistent threat linked to the Chinese government. |
| 2024 | Multiple 911 service disruptions in South Dakota prompted a new FCC investigation, with local officials claiming service was not fully disrupted due to operational texting systems. |
| March 9 2024 | Lumen connectivity services disruption affected AmTote, causing several US thoroughbred racetracks to be unable to process bets, forcing Tampa Bay Downs to run the Tampa Bay Derby as a non-wagering event. |
| 2023 | Lumen network outages in Nebraska resulted in zero 911 calls being fulfilled for over 10 hours. |
| 2023 | Signed a deal to sell Lumen EMEA (subsidiary serving Europe, Middle East, and Africa enterprise markets) to Colt Technology Services for $1.8 billion. |
| October 2023 | Announced the sale of select CDN customer contracts to Akamai, signaling the wind-down of their Content Delivery Network (CDN) business. |
| March 2023 | Lumen Technologies was removed from the S&P 500 index and included in the S&P 600 index. |
| 2022 | The FCC's Enforcement Bureau found Lumen willfully violated rules by failing to notify public safety call centers of 911 outages in South Dakota, creating a significant threat to life and property. |
| 2022 | Sold Latin American business for $2.7 billion, which was rebranded as Cirion. |
| 2022 | Executives restructured the company into 'Growth', 'Nurture', and 'Harvest' sections to focus on high-margin products and divest low-margin services. |
| October 2022 | Closed the sale of ILEC operations to Apollo Global Management, with sold operations rebranded as Brightspeed. |
| 2021 | Received a Frost & Sullivan Award for their web security offering. |
| 2021 | Lumen won multiple government contracts, including a managed network service contract with United States Postal Service and connectivity contracts with US Army Recruiting and US Navy Judge Advocate General Corps. |
| August 3 2021 | Lumen announced the sale of its incumbent local exchange carrier (ILEC) operations in 20 states to Apollo Global Management for $7.5 billion, strategically retaining infrastructure in urban and suburban areas for fiber upgrades. |
| 2020 | 911 outages in South Dakota, North Dakota, Minnesota, Colorado, Arizona, Utah, and North Carolina led to FCC investigations, with Lumen agreeing to pay $3.8 million in civil damages for failed 911 call deliveries. |
| September 18 2020 | Company stock ticker changed from CTL to LUMN with the opening of the trading day. |
| September 14 2020 | CenturyLink, Inc announced its rebranding to Lumen Technologies, Inc. |
| August 30 2020 | A major technical outage due to data center misconfiguration impacted major tech companies including Cloudflare, Amazon, Twitter, and Xbox Live, taking over seven hours to restore services. |
| January 8 2020 | CenturyLink was required to pay $8.9 million to Minnesota customers in a settlement regarding over-billing, and agreed to reform billing practices. |
| September 10 2019 | CenturyLink acquired Streamroot, a technology provider for improving video and static content delivery in bandwidth-constrained areas. |
| 2018 | Recognized by Frost & Sullivan for 'growth excellence in VoIP access and SIP trunking' in voice communication services. |
| December 2018 | CenturyLink controversially required residential customers in Utah to acknowledge a DNS hijacking notice about security and parental control software before internet reconnection. |
| December 27 2018 | A nationwide 9-1-1 service outage disrupted emergency services across the country, causing 886 emergency calls to fail. The outage lasted nearly twelve hours and was the third shutdown of the year. |
| November 1 2017 | CenturyLink closed the Level 3 Communications acquisition, with Level 3 shareholders mandating the replacement of CenturyLink's executive leadership. |
| January 9 2017 | CenturyLink acquired SEAL Consulting, a SAP services provider based in Edison, New Jersey. |
| October 31 2016 | CenturyLink announced its intent to acquire Level 3 Communications in a $25 billion deal. |
| March 30 2016 | CenturyLink acquired netAura, a cybersecurity and security services company focused on working with government customers. |
| 2014 | CenturyLink was ordered by the FCC to pay a record $16 million for a programming error that left nearly 11 million people in seven states without access to emergency services for six hours. |
| December 11 2014 | CenturyLink acquired Cognilytics, a 200-employee predictive analytics company. |
| December 8 2014 | CenturyLink acquired DataGardens, Inc., a Disaster Recovery as-a-Service (DRaaS) provider based in Edmonton, Alberta, Canada. |
| November 2013 | CenturyLink acquired Tier 3, a Seattle-based infrastructure as a service (IaaS) and cloud management provider. Jared Wray, Tier 3's CTO, became CenturyLink Cloud CTO. |
| June 2013 | Savvis acquired AppFog, a Portland-based Platform as a Service provider. |
| December 2012 | CenturyLink launched Savvisdirect, an expansion of cloud services for small businesses, IT administrators, and developers. |
| October 2012 | Savvis acquired the ITO Business Division of Ciber, adding managed services to their business. |
| July 2011 | CenturyLink acquired Savvis, Inc., a global provider of cloud infrastructure and hosted IT services for $2 billion, expanding their managed hosting and cloud services portfolio. |
| May 2010 | The corporate name officially changed to CenturyLink, Inc. |
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