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withsecure.bsky.social
WithSecure™
@withsecure.bsky.social
WithSecure™ is the strategic partner for businesses that want measurable cyber security outcomes. From Europe. Trusted by the world. Formerly F-Secure Business.
We’re proud to be a Visionary!

WithSecure™ has been recognized in first-ever 2025 Gartner® Magic Quadrant™ for Exposure Assessment Platforms.

👉 Read more: www.withsecure.com/en/whats-new...

#CyberSecurity #ExposureManagement #XM #WithSecure
November 14, 2025 at 11:17 AM
WithSecure is collaborating with Microsoft on a new Microsoft Sentinel connector, helping security teams gain streamlined visibility and actionable insights for stronger cyber defense.

🔗 Read more: aka.ms/SentinelInte...

#CyberSecurity #AppAssure #WithSecure
Ignite 2025: New Microsoft Sentinel Connectors Announcement | Microsoft Community Hub
Microsoft Sentinel continues to set the pace for innovation in cloud-native SIEMs, empowering security teams to meet today’s challenges with scalable...
aka.ms
November 13, 2025 at 11:12 AM
We’re proud to announce that WithSecure™ has signed a Memorandum of Understanding with Ukraine’s Ministry of Economy, Environment and Agriculture to advance cyber security collaboration.

www.withsecure.com/en/whats-new...
October 29, 2025 at 7:24 AM
A new chapter begins for WithSecure.
With over 90% of shares secured, we’re moving forward as a privately owned company backed by long-term partners who believe in our strategy, people, and purpose.

Read CEO Antti Koskela's letter: www.withsecure.com/en/expertise...

#CyberSecurity #WithSecure
October 20, 2025 at 5:43 AM
RMM tools are being misused to bypass defenses – often without malware.

Our latest blog breaks down how this works, why most targets are in Europe, and how to stay protected.

🔗 Read more: labs.withsecure.com/publications...

#CyberSecurity #RMM #ThreatIntel
Email-Delivered RMM: Abusing PDFs for Silent Initial Access
Since November 2024, WithSecure has been tracking a slight uptick of targeted activities leveraging Remote Monitoring and Management (RMM) tools embedded within PDF documents. The activity primarily t...
labs.withsecure.com
August 1, 2025 at 8:21 AM
🔍 New from WithSecure™ Labs:
We reverse engineered a Lumma Stealer infection to uncover how it works and how to stop it.

🛠️ We:
- Traced the infection chain through obfuscation
- Extracted IOCs
- Shared threat hunting ideas

Read the full blog: labs.withsecure.com/publications...

#CyberSec
July 26, 2025 at 7:03 PM
🚨 Our team has published fresh insights into a targeted exploitation campaign using #ToolShell against on-prem SharePoint servers. The focus is on new post-compromise activity.

📖 Read more: labs.withsecure.com/publications...

#CyberSecurity #ThreatIntel #ToolShell #Infosec
Active exploitation of on-premise SharePoint Server vulnerabilities “ToolShell”
On July 19th 2025, Microsoft reported on a set of vulnerabilities being actively exploited in-the-wild targeting on-premise SharePoint Servers, which were addressed through CVE-2025-53770 and CVE-2025...
labs.withsecure.com
July 24, 2025 at 2:39 PM
🚨 A new exploited vulnerability is published every 2 days. Zero-days? Every 3.

“Reactive defense is no longer enough.”

📖 Read more: labs.withsecure.com/publications...

#CyberSecurity #ZeroDay #InfoSec #WithSecure
July 23, 2025 at 12:09 PM
🚨 Two SharePoint Server vulns (CVE-2025-53770 & CVE-2025-53771) are being exploited for RCE. On-prem only.

🔍 WithSecure detects activity via "Exploit:W32/W3WPLaunch.A!DeepGuard"

🛡️ Patch now & check for spinstall0.aspx, encoded PowerShell via w3wp.exe.

#CyberSecurity #Vulnerability #Infosec
July 21, 2025 at 9:52 AM