Hacking

Cloud and hosting provider Leaseweb took down critical systems after a cyber attack

The cloud and hosting provider Leaseweb suffered a security breach that impacted some “critical” systems of the company.

Global hosting and cloud services provider Leaseweb has disabled some “critical” systems following a recent security breach. The company informed its customers that is now working on restoring these systems.

According to a notice of incident sent to customers, on August 22, the company discovered “unusual” activity in some of its systems while investigating Customer Portal downtime issues.

In response to the incident, the company took down some of the impacted systems to contain the threat, it also launched an investigation into the incident. The company hired a Digital Forensics cybersecurity firm to investigate the incident. Leaseweb pointed out that it had successfully contained the incident and also improve its security measures to prevent future incidents.

“On the night of August 22, our monitoring systems detected unusual activity within certain areas of our cloud environments. The issue had an impact on a specific portion of our cloudbased infrastructure leading to downtime for a small number of cloud customers. In response to this event, we’ve taken quick and determined steps to reduce potential risks. This includes temporarily disabling certain critical systems impacting the Customer Portal.” reads the notice. “Our teams are working hard to restore the systems and we expect the Customer Portal to be available again within the next few hours. “To make sure our services stay secure and reliable, we’ve put strong containment plans in place and are closely partnering with a respected cybersecurity and forensics firm. Our investigation is ongoing, but we’ve successfully contained the incident, improved our security measures, and havent found any more unauthorized activity.”

Follow me on Twitter: @securityaffairs and Facebook and Mastodon

Pierluigi Paganini

(SecurityAffairs – hacking, cyber attack)

Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.

Recent Posts

Fintech firm Figure disclosed data breach after employee phishing attack

Fintech firm Figure confirmed a data breach after hackers used social engineering to trick an…

14 hours ago

U.S. CISA adds a flaw in BeyondTrust RS and PRA to its Known Exploited Vulnerabilities catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in BeyondTrust RS and…

15 hours ago

Suspected Russian hackers deploy CANFAIL malware against Ukraine

A new alleged Russia-linked APT group targeted Ukrainian defense, government, and energy groups, with CANFAIL…

20 hours ago

New threat actor UAT-9921 deploys VoidLink against enterprise sectors

A new threat actor, UAT-9921, uses the modular VoidLink framework to target technology and financial…

1 day ago

Attackers exploit BeyondTrust CVE-2026-1731 within hours of PoC release

Attackers quickly targeted BeyondTrust flaw CVE-2026-1731 after a PoC was released, enabling unauthenticated remote code…

2 days ago

Google: state-backed hackers exploit Gemini AI for cyber recon and attacks

Google says nation-state actors used Gemini AI for reconnaissance and attack support in cyber operations.…

2 days ago

This website uses cookies.