Security News
Twitter is suffering a worldwide outage that started last night and is continuing into Saturday morning with erratic behavior and features partially working. On mobile devices, Twitter users are being shown messages stating, "Tweets aren't loading right now. Try again."
Microsoft has revealed that Thursday's worldwide outage was caused by a code defect that allowed the Azure DNS service to become overwhelmed and not respond to DNS queries. Last night, Microsoft published a root cause analysis for this week's outage and explained that it was caused by their Azure DNS service becoming overloaded.
Data breaches and network outages are a real and growing cost for the industry: 43% of respondents estimated the costs of data breaches would exceed $2 million and 34% said the same for network outages. The healthcare industry is a target: 52% of respondents suffered a data breach in the past year.
Facebook services are currently experiencing issues around the world, with users unable to access Facebook, Messenger, WhatsApp, and Instagram. When attempting to access Facebook services, users worldwide have stated that the application will display a continuous "Connecting" message.
Microsoft has shed some light on the root cause behind yesterday's massive Azure authentication outage that affected multiple Microsoft services and blocked users from logging into their accounts. This issue prevented users from authenticating to Microsoft 365, Exchange Online, Microsoft Teams, or any other service relying on Azure AD. "Between 19:00 UTC on March 15, 2021, and 09:25 UTC on March 16, 2021 customers may have encountered errors performing authentication operations for any Microsoft and third-party applications that depend on Azure Active Directory for authentication," Microsoft explained today in a preliminary root cause analysis report.
Starting at approximately 3:34 PM EST, users began reporting being unable to login to their Microsoft 365 accounts, Microsoft Teams, or access other Microsoft apps. "As a result of the issues currently facing Azure AAD, we are currently experiencing problems on the Microsoft Tech Community with login and authentication. This will result in users being unable to login and users already logged in getting unexpected errors as sessions timeout," posted a Microsoft Tech Community manager.
US managed service provider CompuCom has suffered a DarkSide ransomware attack leading to service outages and customers disconnecting from the MSP's network to prevent the spread of malware. Over the weekend, CompuCom suffered an outage that prevented customers from accessing the company's customer portal to open troubleshooting tickets.
Leading payroll company PrismHR is suffering a massive outage after suffering a cyberattack this weekend that looks like a ransomware attack from conversations with customers. In email templates provided by PrismHR, PEOs are telling clients that PrismHR "Is currently experiencing an interruption of service impacting over 200 PEOs across the United States."
In an incident report published on Friday, Google said that a Google Voice outage affecting a majority of the telephone service's users earlier this month was caused by expired TLS certificates. During regular operation, voice calls made through Google Voice are controlled using the Session Initiation Protocol, with client devices immediately retrying their connection to the service once it breaks.
In an incident report published on Friday, Google said that a Google Voice outage affecting a majority of the telephone service's users earlier this month was caused by expired TLS certificates. During regular operation, voice calls made through Google Voice are controlled using the Session Initiation Protocol, with client devices immediately retrying their connection to the service once it breaks.