
Cloud Security
When the Cloud Fails: A Wake-Up Call for Business Leaders
On 20 October 2025, a major outage across Amazon Web Services (AWS) disrupted operations for thousands of companies globally, including banks and consumer apps. The incident, caused by DNS resolution issues in AWS’s US-East-1 region, has impacted services such as Salesforce, Slack, Okta and major UK banks including Lloyds Bank and Halifax. The outage highlights