Facebook and Instagram users worldwide have been logged out of the sites and are having trouble logging in, receiving errors that their passwords are incorrect.
The Rhysida ransomware gang has claimed the cyberattack on Lurie Children's Hospital in Chicago at the start of the month.
The Hessen Consumer Center in Germany has been hit with a ransomware attack, causing IT systems to shut down and temporarily disrupting its availability.
A cyberattack on UnitedHealth Group subsidiary Optum that led to an ongoing outage impacting the Change Healthcare payment exchange platform was linked to the BlackCat ransomware group by sources familiar with the investigation.
Steel giant ThyssenKrupp confirms that hackers breached systems in its Automotive division last week, forcing them to shut down IT systems as part of its response and containment effort.
Wyze Labs is investigating a security issue while experiencing a service outage that has been causing connectivity issues since this morning.
Lurie Children's Hospital in Chicago was forced to take IT systems offline after a cyberattack, disrupting normal operations and delaying medical care in some instances.
Microsoft is investigating a second outage affecting Microsoft Teams users across North and South America in the last three days.
The Kansas City Area Transportation Authority (KCATA) announced it was targeted by a ransomware attack on Tuesday, January 23.
Microsoft is investigating an ongoing and widespread outage impacting the users of its Teams communication platform and causing connectivity issues, login problems, and message delays.
Multiple Atlassian Jira products are experiencing an ongoing outage as of this morning. Users of Jira Work management, Jira Software, Jira Service Management and Jira Product Discovery are facing connection issues.
The Calvià City Council in Majorca announced it was targeted by a ransomware attack on Saturday, which impacted municipal services.
A major T-Mobile outage is preventing customers from logging into their accounts and using the company's mobile app.
Museum software solutions provider Gallery Systems has disclosed that its ongoing IT outages were caused by a ransomware attack last week.
Cloud storage provider Box.com is suffering an outtage preventing customers from accessing their files.
Kyivstar, Ukraine's largest telecommunications service provider serving over 25 million mobile and home internet subscribers, has suffered a cyberattack impacting mobile and data services.
Japanese car maker Nissan is investigating a cyberattack that targeted its systems in Australia and New Zealand, which may have let hackers access personal information.
American office supply retailer Staples took down some of its systems earlier this week after a cyberattack to contain the breach's impact and protect customer data.
A cyberattack on CTS, a leading managed service provider (MSP) for law firms and other organizations in the UK legal sector, is behind a major outage impacting numerous law firms and home buyers in the country since Wednesday.
The British Library confirmed that a ransomware attack is behind a major outage that is still affecting services across several locations.