Enable Controlled Folder Access & Whitelist Apps to Protect Against Ransomware (Win10/11)
Difficulty: Intermediate | Time Required: 15 minutes
Introduction
Ransomware encrypts or locks your files and demands payment to restore them. Controlled Folder Access (CFA) is a built‑in Windows Defender...
applicationwhitelisting
block history
controlled folder access
enterprise cfa management
get-mppreference
group policy cfa
powershell
protected folders
ransomware
real-time protection
set-mppreference
windows 10 cfa
windows 11 cfa
windows defender
windows security
Windows' built‑in security toolbox is larger and more capable than it has ever been, but several of its most visible safeguards can — paradoxically — reduce real‑world security when design and deployment interact with human behavior and system performance. Four features in particular — User...
alert fatigue
applicationwhitelisting
credential guard
defender
edr
elevation of privilege
gaming security
hvci
memory integrity
performance
sandbox
security alert
security trade-offs
smart app control
uac
user account control
user education
vbs
windows 11
windows security
Siemens ProductCERT has published SSA‑493396 — a deserialization vulnerability (CVE‑2025‑40759) that affects a broad swath of TIA‑Portal engineering components, including SIMATIC S7‑PLCSIM V17, STEP 7, and WinCC variants; Siemens assigns a CVSS v3.1 base score of 7.8 and a CVSS v4 base score of...
A critical security vulnerability, identified as CVE-2025-49698, has been discovered in Microsoft Word, posing significant risks to users worldwide. This flaw, classified as a "use-after-free" vulnerability, allows unauthorized attackers to execute arbitrary code on affected systems, potentially...
In a pivotal update for enterprise environments, Windows has rolled out new certificate authority (CA) handling logic for Application Control for Business, formerly known as Windows Defender Application Control (WDAC). As announced in Microsoft’s official support documentation, this adjustment...
application control
applicationwhitelisting
certificate
certificate lifecycle
certificate trust policy
cybersecurity
defender application control
digital signature
digital signing policies
enterprise security
it management
microsoft ca expiration
os security
pki certificate update
pki trust management
security automation
security patch
trust inference
wdac updates
windows security
Microsoft's introduction of Smart App Control (SAC) in Windows 11 marks a significant advancement in the operating system's security framework. This feature is designed to proactively block untrusted or potentially harmful applications, thereby enhancing system protection and optimizing...
ai security
antivirus
applicationwhitelisting
clean windows install
cloud security
cyber threats
cybersecurity
endpoint security
malware prevention
microsoft
operating system
optimization
os security
performance optimization
privacy
sac
secure installation
security
security best practices
security features
security innovation
security technology
smart app control
software compatibility
software security
system performance
threat mitigation
windows 11
windows 11 upgrade
windows defender
windows security
windows update
zero-day threats
Windows 11 has continuously evolved since its initial release, responding to both end-user demands and the changing threat landscape in the world of cybersecurity. Among the recent headline features, Smart App Control stands out as a bold step forward in Microsoft's effort to block malicious or...
With the release of Windows 11 22H2, Microsoft has dramatically shifted its security playbook by introducing Smart App Control (SAC), a proactive, cloud-backed security layer that blocks untrusted software before it ever gets a chance to execute. It’s a bold new defense in the Windows security...
applicationwhitelisting
cloud security
cybersecurity
digital signature
endpoint security
malware prevention
proactive defense
security
security architecture
security best practices
security features
smart app control
system performance
threat intelligence
windows 11
windows defender
windows security
windows update
zero trust
The latest evolution of Windows support for Application Control for Business introduces a significant and controversial overhaul: a new Certificate Authority (CA) handling logic designed to bolster software trust and compliance in modern enterprise environments. Users and administrators who rely...
Windows Defender Application Control (WDAC) stands as a critical gatekeeper in the Windows security ecosystem, ensuring that only trusted applications execute on your system. However, CVE-2025-26678 has emerged as a notable threat—a local security bypass vulnerability rooted in improper access...
Original release date: June 12, 2017
Systems Affected
Industrial Controls Systems
Overview
The National Cybersecurity and Communications Integration Center (NCCIC) is aware of public reports from ESET and Dragos outlining a new, highly capable Industrial Controls Systems (ICS) attack...