< ciso
brief />
Tag Banner

All news with #threat report tag

497 articles · page 15 of 25

ESET Threat Report H2 2025: AI, Ransomware Trends Outlook

🔍 ESET's H2 2025 threat report documents rapid attacker innovation, including the first known AI-driven ransomware, PromptLock, which can generate malicious scripts on demand. The report also highlights a near-collapse of Lumma Stealer, a roughly thirtyfold surge in the CloudEyE downloader, and a sharp rise in ransomware victims and NFC-based Android fraud. It underscores evolving distribution and evasion techniques across platforms.
read more →

SantaStealer info-stealer targets browsers and wallets

⚠️Rapid7 researchers report a new malware-as-a-service called SantaStealer, advertised on Telegram and hacker forums as an in-memory info‑stealer designed to evade file-based detection. The operation appears to be a rebranding of BluelineStealer by a Russian-speaking developer and is being marketed with Basic ($175/month) and Premium ($300/month) tiers. Samples and an affiliate panel show 14 modular data-collection threads that harvest browser credentials, cookies, saved cards, messaging and gaming app data, crypto wallets and documents, bundle results into ZIPs in memory, and exfiltrate them in 10MB chunks to a hardcoded C2 on port 6767. Despite claims of stealth, leaked builds include symbol names and unencrypted strings that make analysis straightforward.
read more →

Cloudflare Radar 2025 Year in Review — AI, PQ, DDoS Trends

🔍 The 2025 Cloudflare Radar Year in Review summarizes Internet trends observed across Cloudflare’s global network, covering January–December 2025. The report highlights rapid growth in traffic (up 19%), dramatic increases in AI crawling and user-action requests, and widespread adoption of post-quantum TLS, which reached 52% of human web traffic. It also documents hyper-volumetric DDoS escalation — multiple attacks exceeded 10 Tbps with records hitting 31.4 Tbps — and provides sector, device, and connectivity insights informed by new AI and speed‑test datasets.
read more →

Black Hat Europe 2025: Reputation and the Ransomware Economy

🔐 At Black Hat Europe 2025, Max Smeets of Virtual Rotes presented 'Inside the Ransomware Machine', examining LockBit and its affiliate-driven RaaS operations from 2022–2024. He highlighted how reputation shapes victim decisions and the attackers' need to be seen as reliable to secure payments. The talk warned that exposed cyber insurance details can guide extortion amounts and recommended segregating or air‑gapping insurance documentation.
read more →

ThreatsDay Bulletin: Spyware, Mirai, Docker Leaks and More

🔔 This week's ThreatsDay Bulletin highlights a packed week of cross-cutting threats: a Mirai variant dubbed Broadside exploiting TBK DVRs (CVE-2024-3721), widespread exploitation of React2Shell (CVE-2025-55182), and the leak of a ValleyRAT builder that includes a signed kernel-mode rootkit. Law enforcement actions ranged from Europol's 193 arrests in a VaaS crackdown to multiple national detentions, while Apple and Google issued broad spyware alerts. Researchers flagged >10,000 Docker Hub images leaking secrets and 19 malicious VS Code extensions that used a PNG disguise to deliver trojans, underscoring persistent supply-chain and user-facing risks.
read more →

Navigating Analyst and Test Reports for Endpoint Security

🖼️ Many vendor and lab reports — from Gartner and Forrester market quadrants to specialist tests like AV‑Comparatives, SE Labs and MITRE Engenuity’s ATT&CK Evaluations — offer distinct, valuable perspectives on endpoint security. Security teams should selectively combine these assessments to triangulate performance, match operational requirements, and validate vendor claims before procurement decisions.
read more →

November 2025: Ransomware and GenAI Drive Cyber Attacks

🛡️ In November 2025, organizations faced an average of 2,003 cyber-attacks per week, a 3% rise from October and 4% above November 2024. Check Point Research attributes the increase to a surge in ransomware, broader attack surfaces and growing exposure from internal use of generative AI tools. The education sector was hit hardest, averaging 4,656 attacks per organization per week. These trends elevate operational, data and recovery risks across industries.
read more →

Malicious VS Code Extensions Steal Credentials via DLL

🛡️ Researchers from Koi Security have uncovered two malicious Visual Studio Code extensions, Bitcoin Black and Codo AI, that delivered a DLL-based infostealer via a disguised Lightshot executable. The campaign used social engineering and evolving technical methods—initially complex PowerShell and passworded ZIPs, later streamlined to hidden batch scripts—to harvest screenshots, clipboard data, Wi‑Fi credentials and browser sessions. One extension posed as a theme while the other offered legitimate AI coding features, helping both evade suspicion on the VS Code Marketplace.
read more →

Streamlit Exposes Shadow AI Risks and Data Leaks at Scale

⚠️ UpGuard's analysis of Streamlit-hosted applications uncovered thousands of publicly accessible data apps that expose sensitive business and personal information. In October 2025 scans identified 14,995 unique IPs running Streamlit; after accounting for instances with authentication or errors, over ten thousand apps remained accessible without login. The report documents exposed PII and business intelligence dashboards and recommends practical controls: maintain an inventory of user apps, move sensitive workloads off the Community Cloud, and enable authentication by default.
read more →

Four clusters exploiting CastleLoader expand MaaS reach

🛡️Recorded Future's Insikt Group attributes rapid expansion of a modular loader ecosystem to an actor named GrayBravo, noting the distribution of a loader called CastleLoader under a malware-as-a-service model. The report identifies four distinct operational clusters that employ phishing, ClickFix campaigns, malvertising, and impersonation to deliver CastleLoader and secondary payloads such as CastleRAT and NetSupport RAT. These campaigns target logistics and enterprise software users and leverage multi-tiered C2 infrastructure and fraudulent platform accounts to increase credibility and resilience.
read more →

STAC6565 Targets Canada; Gold Blade Deploys QWCrypt

🛡️ Sophos links nearly 40 intrusions from Feb 2024 to Aug 2025 to STAC6565, a cluster assessed to overlap the criminal group Gold Blade (aka RedCurl/Red Wolf). The campaign shows an unusually narrow geographic focus — almost 80% of attacks targeted Canadian organizations — and combines targeted data theft with selective ransomware deployment using QWCrypt. Attack chains abuse recruitment platforms to deliver multi‑stage loaders such as RedLoader and tools designed to evade AV and disable recovery, often leveraging WebDAV, Cloudflare Workers and program‑compatibility execution paths.
read more →

Experts Warn AI Is Becoming Integrated in Cyberattacks

🔍 Industry debate is heating up over AI’s role in the cyber threat chain, with some experts calling warnings exaggerated while many frontline practitioners report concrete AI-assisted attacks. Recent reports from Google and Anthropic document malware and espionage leveraging LLMs and agentic tools. CISOs are urged to balance fundamentals with rapid defenses and prepare boards for trade-offs.
read more →

Manufacturing Sees Fewer Encryptions but Ransom Risks

🔒 A recent Sophos study finds the manufacturing sector is blocking more ransomware before encryption, with only 40% of attacks resulting in data encryption this year versus 74% in 2024. Despite improved containment, data theft remains high (39% of encrypted cases) and more than half of affected firms paid ransoms; the median payment was about €861,000. Shortages of skilled staff, unknown vulnerabilities and inadequate protections are cited as root causes, and attacks are increasing stress and leadership pressures within IT teams.
read more →

Ransomware Gangs Use Shanya Packer to Evade EDR Protections

🛡️ Shanya is a packer-as-a-service used by multiple ransomware gangs to conceal payloads that disable endpoint detection and response (EDR) tools. The service returns a custom, encrypted wrapper that decrypts and decompresses the payload entirely in memory and inserts it into a memory-mapped copy of shell32.dll, avoiding disk artifacts. Sophos telemetry links Shanya-packed samples to Medusa, Qilin, Crytox and Akira, and notes techniques that crash user-mode debuggers and facilitate DLL side-loading to deploy EDR killers.
read more →

FinCEN: Ransomware Gangs Extorted $2.1B (2022–2024)

📊 A FinCEN analysis of 4,194 Bank Secrecy Act filings found organizations paid more than $2.1 billion in ransom between January 2022 and December 2024. Ransomware incidents peaked in 2023 before falling in 2024 after law enforcement actions disrupted ALPHV/BlackCat and LockBit. Most ransom payments were under $250,000 and roughly 97% were made in Bitcoin. Manufacturing, financial services, and healthcare were the most targeted industries.
read more →

JS#SMUGGLER Uses Compromised Sites to Deploy NetSupport RAT

🔍 Securonix has detailed a campaign named JS#SMUGGLER that leverages compromised websites and an obfuscated JavaScript loader to deliver the NetSupport RAT. Attackers chain a hidden iframe and a remote HTA executed via mshta.exe to run encrypted PowerShell stagers and fetch the RAT. The loader applies device-aware branching and a visit-tracking mechanism to trigger payloads only on first visits, reducing detection risk. Temporary stagers are removed and payloads execute in-memory to minimize forensic artifacts.
read more →

ClayRat Android Spyware Upgraded with Greater Control

🔒 A new version of the ClayRat Android spyware significantly expands surveillance and device-control features, researchers at Zimperium report. The campaign now pairs Default SMS privileges with aggressive abuse of Accessibility Services to enable a keylogger that captures PINs, passwords and unlock patterns, full-screen recording via the MediaProjection API, deceptive overlays and automated taps that hinder removal. Over 700 unique APKs and more than 25 active phishing domains — including impersonations of video platforms and car apps — have been observed distributing the malware.
read more →

SpyCloud: Phishing Targets Corporate Users 3x More

🔍 SpyCloud reported a 400% year‑over‑year increase in successfully phished identities, finding nearly 40% of more than 28 million recaptured phish records contained business email addresses—about three times the rate observed in recaptured malware. The company warns phishing has become the preferred gateway into enterprise environments and is fueling follow‑on attacks such as ransomware. SpyCloud urges organizations to adopt real‑time visibility and automated post‑compromise remediation across both personal and professional identities.
read more →

Year-End Infosec Reflections and GenAI Impacts Review

🧭 William Largent’s year-end Threat Source newsletter combines career reflection with a practical security briefing, urging professionals to learn from mistakes while noting rapid changes in the threat landscape. He highlights a Cisco Talos analysis of how generative AI is already empowering attackers—especially in phishing, coding, evasion, and vulnerability discovery—while offering powerful advantages to defenders in detection and incident response. The newsletter recommends immediate, measured experimentation with GenAI tools, training teams to use them responsibly, and blending automation with human expertise to stay ahead of evolving risks.
read more →

BRICKSTORM Backdoor Targets VMware vSphere and Windows

🛡️ CISA, NSA, and the Canadian Centre for Cyber Security report that PRC state-sponsored actors deployed the BRICKSTORM backdoor to gain long-term persistence on VMware vSphere (vCenter/ESXi) and Windows hosts. The analysis of eight samples includes YARA and Sigma detection content plus scanning guidance for vCenter filesystems and SIEMs. Organizations should apply the provided IOCs and detection signatures, hunt for modified init scripts, DoH resolver requests, and hidden API endpoints, and report any findings immediately.
read more →