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573 articles · page 14 of 29

Attackers Prefer Stealthy Persistence for Extortion

🦠 Picus Security's Red Report 2026 analyzed over 1.1 million malicious files and 15.5 million actions, finding attackers favor stealthy persistence and evasion to silently exfiltrate data for extortion. Process injection accounted for 30% of techniques, while adversaries routed C2 through high-reputation services like OpenAI and AWS and used stolen browser passwords to masquerade as users. The report warns that virtualization/sandbox evasion and increased technique counts make detection more challenging.
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From Ransomware to Residency: The Shift to Stealth

🔍 The Picus Red Report 2026 analyzed more than 1.1 million malicious files and 15.5 million adversarial actions across 2025 and finds attackers shifting from disruptive ransomware to long-lived, stealthy residency. Rather than encrypting systems, adversaries focus on credential theft, process injection, sandbox evasion and quiet data exfiltration. The report urges defenders to prioritize behavior-based detection, credential hygiene and continuous adversarial validation to restore visibility.
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January 2026: Global Attacks Rise; Ransomware, GenAI Risk

⚠️ Check Point Research reports a global increase in cyber attacks in January 2026, with organizations experiencing an average of 2,090 attacks per organization per week — a 3% increase from December and 17% above January 2025. The rise is driven by expanding ransomware operations and mounting data‑exposure risks linked to widespread GenAI adoption. Critical sectors are under intensified pressure as threat activity accelerates and adversaries move faster.
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2025 Q4 DDoS Report: Record 31.4 Tbps Attack and Botnet

🛡️ Cloudflare's 24th Quarterly DDoS Threat Report documents a record-setting 2025 capped by a 31.4 Tbps attack and a late-December campaign from the Aisuru-Kimwolf botnet. The firm observed a 121% year-over-year surge in DDoS activity, averaging 5,376 mitigations per hour and a tripling of network-layer assaults to 34.4 million. Hyper-volumetric HTTP floods—largely from infected Android TVs—peaked above 200 Mrps and targeted telcos, gaming, and AI providers, while Cloudflare's autonomous defenses automatically detected and mitigated these incidents.
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ThreatsDay: Codespaces RCE, AI Cloud Escalation & Trends

🔔 This ThreatsDay bulletin assembles concise signals — from GitHub Codespaces RCE vectors to mapped AsyncRAT C2 infrastructure — that show adversaries are streamlining access and persistence. It spotlights BYOVD kernel driver abuse in ransomware playbooks, an AI-assisted cloud intrusion reaching admin in minutes, and a CISA list expanding to 59 actively exploited CVEs. Defenders should prioritize developer workflow hardening, credential rotation, and rapid patching.
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Global SystemBC Botnet Active on Over 10,000 Systems

🛡️ Silent Push links the long-running SystemBC malware to more than 10,000 infected IP addresses worldwide, including hosts tied to government sites. SystemBC acts as a multi-platform SOCKS5 proxy, turning compromised machines into relays that help attackers hide infrastructure and maintain persistence, often appearing before ransomware is deployed. Researchers found infections concentrated in data centres, uncovered a Perl-based Linux variant undetected by 62 antivirus engines, and observed reliance on abuse-tolerant hosting for C2 operations.
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Leaked Non-Human Identities: A DevOps Risk Report Overview

🔐 In late 2025, Flare researchers discovered over 10,000 Docker Hub images containing exposed production secrets — from API keys and cloud tokens to CI/CD credentials and AI model access tokens. The report frames non-human identities — tokens, service accounts and workload identities — as persistent, highly privileged artifacts that often outlive their creators and bypass traditional controls. It highlights incidents including the Snowflake breach, a long-lived Home Depot GitHub token exposure, and a Red Hat GitLab compromise, and urges teams to adopt automated secret scanning, short-lived credentials, and continuous monitoring of public registries.
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New Technical Markers Expose Expanded ShadowSyndicate

🔍 Group-IB researchers have linked dozens of servers to the ShadowSyndicate cybercrime cluster through reused OpenSSH fingerprints and recurring access keys, exposing a larger, consistently managed malicious infrastructure. The cluster, first documented in 2023, continues to deploy and transfer servers between internal clusters while retaining overlapping keys that enable attribution. Analysts identified at least 20 command-and-control nodes supporting commercial red-team frameworks and open-source post-exploitation tools and observed ties to multiple ransomware affiliates. Group-IB recommends ingesting indicators of compromise, monitoring repeated MFA failures and unusual login activity, and tracking activity in frequently used autonomous systems.
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AI Drives Rapid Doubling of Phishing Attacks in 2025

📨 Cofense reports that security filters caught a phishing email every 19 seconds in 2025 — more than double the 2024 rate of one every 42 seconds — as AI enables faster, larger-scale campaigns. The vendor's report, The New Era of Phishing: Threats Built in the Age of AI, warns that actors now use AI to generate highly personalized, polymorphic and multi-channel phishing that adapts per victim. It also highlights a 105% rise in remote access tool detections, a 19-fold spike in abuse of .es domains, and a 204% increase in email-delivered malware, urging post-delivery behavioral analysis and human validation.
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Identities Targeted as Cybercriminals Shift Tactics Now

🔐 The Eye Security 2026 State of Incident Response Report finds that cyberattacks on companies are increasingly undetected and that attackers are shifting from technical exploitation to abusing existing access and credentials, with damage often occurring within minutes. The study reports passwords were involved in 97% of tracked incidents and that BEC accounted for over 70% of cases, with phishing initiating 40% of those intrusions. It also highlights the rise of Ransomware-as-a-Service, access broker marketplaces, and the commercialization of insider access, identifying industrial, construction, and transport firms as particularly affected based on 630 European incidents analyzed from 2023–2025.
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Microsoft: Python-based infostealers targeting macOS

⚠ Microsoft warns that information-stealing campaigns are expanding beyond Windows to target Apple macOS by leveraging cross-platform languages like Python and abusing trusted distribution platforms. Since late 2025, attackers have used malvertising and Google Ads to redirect users to fake sites that employ ClickFix lures and DMG installers to deploy families such as Atomic macOS Stealer (AMOS), MacSync, and DigitStealer. Campaigns use fileless execution, native macOS utilities, and AppleScript to harvest browser credentials, session cookies, iCloud Keychain items, and developer secrets. Organizations are urged to train users on malvertising and fake installers, monitor Terminal and iCloud Keychain access, and inspect network egress for POSTs to newly registered or suspicious domains.
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Weekly Cyber Recap: Proxy Botnet and Office Zero‑Day

🛡️ Google disrupted the IPIDEA residential proxy network by seizing or sinkholing command-and-control domains, cutting operators' ability to route traffic and reducing millions of exit nodes that had been recruited via bundled SDKs or monetization lures. Microsoft released an out‑of‑band patch for an actively exploited Office zero‑day (CVE-2026-21509), while Ivanti fixed two EPMM RCEs. CERT Polska attributed destructive intrusions against Polish energy assets to Static Tundra, and criminals were observed hijacking exposed LLM endpoints for resale and lateral access. Researchers also documented new modular frameworks, open BYOB C2 repositories, and continued exploitation of web platforms and DevOps tooling.
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China-Linked UAT-8099 Targeting IIS Servers in Asia

🔍 Cisco Talos has uncovered a late-2025 to early-2026 campaign by a China-linked actor tracked as UAT-8099 targeting vulnerable IIS servers across Asia, notably Thailand and Vietnam. The actor uses web shells, PowerShell, and red-team utilities to deploy GotoHTTP and maintain persistence via hidden accounts. Infections deliver the BadIIS SEO-fraud malware family, hijacking crawlers and injecting malicious redirects to manipulate search rankings.
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AI-assisted 'RedKitten' Malware Targets Iranian Protesters

🚨 French cybersecurity firm HarfangLab uncovered a January 2026 campaign dubbed RedKitten that leverages emotionally charged, forged forensic files to deliver a .NET implant called SloppyMIO. The attack begins with a password-protected 7z archive containing malicious Excel spreadsheets that prompt users to enable macros and drop a C# payload. SloppyMIO hijacks a legitimate Windows binary to run stealthily, establishes persistence via scheduled tasks, fetches modules from GitHub and Google Drive, and uses Telegram as its command-and-control channel. Researchers noted multiple traces of LLM-assisted development and assessed the campaign as aligned with Iranian government security interests.
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DynoWiper analysis and Sandworm attribution update

🛡️ ESET researchers describe DynoWiper, a newly identified data-wiping malware used against an energy company in Poland. The report details a three-phase wiper that overwrites files using a single 16-byte random buffer, executes destructive passes with variant-specific behavior, and forces a reboot to complete destruction. ESET attributes the operation to Sandworm with medium confidence and highlights that ESET PROTECT blocked execution and significantly limited impact. The analysis also notes overlaps with the previously observed ZOV wiper.
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Threat Source: Resilience, trends, and hard truths

📰 Hazel Burton opens this Threat Source newsletter by acknowledging how difficult it can be to stay engaged with the news and suggests small, human respites—like the U.K. show Taskmaster—to remind readers creativity and levity persist under pressure. On the technical side, Cisco Talos Incident Response’s Q4 2025 report shows exploitation of public-facing applications remains the leading initial access vector (down from 62% to ~40%), while phishing and credential harvesting rose and ransomware incidents fell to 13% with Qilin still common. The newsletter urges rapid patching, correct MFA configuration and monitoring, and comprehensive logging to detect suspicious activity.
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2026 Data Security Index: Securing AI and Sensitive Data

🔒 The 2026 Microsoft Data Security Index explores how organizations can harness generative AI while protecting sensitive information and maintaining productivity. Based on responses from more than 1,700 security leaders, the report highlights three priorities: consolidating fragmented tools into unified platforms, managing AI-driven workflows securely, and leveraging generative AI to strengthen security operations. It recommends practical approaches using Microsoft Purview for continuous discovery and governance and Microsoft Security Copilot for automated investigation with human oversight.
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Aisuru Botnet Launches Record 31.4 Tbps DDoS Attack

🔴 Cloudflare says the Aisuru/Kimwolf botnet launched a record DDoS campaign on December 19 that peaked at 31.4 Tbps and about 200 million requests per second. The attacks, dubbed The Night Before Christmas, targeted telecommunications and IT providers and hit Cloudflare’s dashboard and infrastructure. Sources were identified as compromised Android TVs rather than typical IoT routers, and most bursts lasted one to two minutes. Cloudflare reports the attacks were detected and mitigated automatically without triggering internal alerts.
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US Data Breaches Hit Record High in 2025; Victims Drop

📈 The Identity Theft Resource Center (ITRC) reports a record 3,332 US data "compromises" in 2025, a 5% rise from 2024. Despite the higher incident count, individual victims fell to 279 million from 1.4 billion, driven by the absence of large-scale "mega breaches" seen in 2023. Financial services was the hardest-hit sector with 739 compromises (22%). The ITRC warned that opaque breach notices—70% lacked attack type—undermine consumer protection and urged Zero Trust, stronger identity verification and greater transparency.
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Q4 2025 Talos IR: Public-Facing Exploits and Phishing

🔒 Talos Incident Response (Talos IR) reports that in Q4 2025 threat actors again favored exploitation of public-facing applications, appearing in nearly 40% of engagements, while phishing rose to the second-most common initial access vector. Notable exploit activity targeted Oracle E-Business Suite (CVE-2025-61882) and React2Shell (CVE-2025-55182), and attackers rapidly weaponized these flaws close to disclosure. Talos also observed deployment of APT-linked implants such as BadCandy and AquaShell, plus campaigns that targeted Native American tribal organizations for credential harvesting. The report emphasizes timely patching, strong MFA controls, centralized logging, and rapid incident response to limit impact.
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