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A blog about real-life cybersecurity attacks, web malware and how to protect your website and online business from cybercriminals
Nov 3, 2026
ClickFix Malware: Fake CAPTCHAs and Clipboard Commands
We analyzed four ClickFix lures impersonating Booking.com, Google Meet and Cloudflare. Explore clipboard execution, IOCs, MITRE mapping and website defenses.
Oct 30, 2026
In-Memory PHP Web Shell: ZIP Loader and Pastebin C2
Technical analysis of a PHP web shell using ZIP streams, Pastebin-hosted payloads, cookie-based C2 switching, and eval(). Includes IOCs, YARA, and defenses.
Nov 3, 2026
ClickFix Malware: Fake CAPTCHAs and Clipboard Commands
We analyzed four ClickFix lures impersonating Booking.com, Google Meet and Cloudflare. Explore clipboard execution, IOCs, MITRE mapping and website defenses.
Oct 30, 2026
In-Memory PHP Web Shell: ZIP Loader and Pastebin C2
Technical analysis of a PHP web shell using ZIP streams, Pastebin-hosted payloads, cookie-based C2 switching, and eval(). Includes IOCs, YARA, and defenses.
Oct 13, 2026
Website Cloaking and Scanner Evasion: When a Clean Scan Does Not Tell the Whole Story
Website cloaking can hide malicious redirects and scripts from scanners. Learn why selective delivery complicates detection and web integrity.
Oct 6, 2026
StyleSmuggler (CVE-2026-75650): Magento Web Integrity
Inside a StyleSmuggler exploit attempt: what our investigation found and why Magento patching, web integrity and reputation monitoring must work together.
Oct 6, 2026
AI Website Builder Security Is Moving Into the Publish Flow
Base44, Lovable and Replit are bringing security into publishing. Quttera examines what builders verify and why web integrity still matters after deployment.
Sep 29, 2026
Client-Side JavaScript Security & Web Integrity
A website can look normal while changed or malicious JavaScript alters what visitors' browsers do. Learn why browser behavior is part of Continuous Web Integrity.
Sep 25, 2026
WordPress 7.1.2: What to Check After CVE-2026-87902
WordPress 7.1.2 fixes CVE-2026-87902, but patching alone does not prove your site was untouched. Learn what to verify after the update.
Aug 31, 2026
Quttera Found Malware on Your Website: What Happens Next?
Quttera found malware or suspicious activity? Learn what happens after ThreatSign Emergency purchase, from setup and site access to cleanup and blacklist recovery.
Aug 23, 2026
Website Risk Is Not Binary: From False Positives to Actionable Security Signals
Learn why suspicious website findings should be treated as contextual risk signals—and how evidence, confidence, and clear actions improve security decisions.
Jul 27, 2026
Safe for Humans. Trustworthy for Machines: The New Standard for Website Integrity
Modern websites must be safe for people and trustworthy for machines. Learn how markup, malware, scripts and API evidence define web integrity.
Jul 20, 2026
WordPress Brute-Force Attack Case Study: 10,000 Login Attempts Blocked
See how a WordPress store remained online while Quttera automatically responded to 10,000 malicious login attempts from 94 IP addresses.
May 19, 2026
What is Schema Poisoning and Semantic Manipulation? How Attackers Hijack Your AI Visibility
Discover how hackers use schema poisoning and semantic manipulation to hijack your website's AI visibility and trigger silent domain blacklists. Protect your RAG pipeline.