2025-12-12 Session hijacking is stealing an active session ID after login (often via XSS/malware) to impersonate a user. Session fixation is tricking a user into authenticating with a predetermined session ID. Both are risks from poor session management. Regenerating session IDs after login is key to prevention.
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主動防禦勒索軟體是組織用來保護其數據、營運和聲譽的最關鍵措施。隨著這種複雜的惡意軟件不斷發展，並利用各行各業的目標，強化網絡安全防禦和關閉常見的入口點是勢在必行。本全面指南詳細介紹了勒索軟體的機制、傳播途徑以及十項可行的、經證實的強大預防策略。
勒索軟體是一種惡意軟件，它會滲透設備或網絡，加密關鍵文件，並阻止存取，直到攻擊者要求支付贖金——通常以加密貨幣支付。現代變體更加危險：在 2025 年，41% 的勒索軟體家族利用 AI 工具實現自動化網路釣魚和自適應負載。
此外，Check Point 2025 年第二季度的報告顯示，網路犯罪分子通常採用雙重勒索（加密文件加上竊取數據），而近三分之一的重大事件涉及三重勒索（增加威脅，例如 DDoS 攻擊或公開數據洩露）。組織必須更新防禦措施，以跟上這些複雜、快速變化的操作。
勒索軟體攻擊造成的後果遠遠超出了贖金本身。財務損失是毀滅性的。根據 Sophos 2024 年的報告，單次勒索軟體攻擊的平均復原成本在近年來激增了 50%，達到 254 萬美元。
隱藏成本： 除了贖金之外，組織還面臨數週的部分停運、收入損失和嚴重的聲譽損害。例如，61% 的中型製造業公司支付的贖金在 50 萬至 100 萬美元之間，但事件發生後的鑑證、系統重建和法律費用佔了總成本的大部分。
透過 MFA、分段和安全備份等措施進行預防，比從單一事件中復原更具成本效益，潛在地為組織節省數百萬美元。
勒索軟體通常透過以下高風險途徑之一利用組織網絡：
透過這些經證實的最佳實踐來強化您的防禦：
NordLayer 提供必要的工具，透過統一的 ZTNA 方法，幫助減少勒索軟體風險並強化整體安全性：
關於 NordLayer
NordLayer 是現代企業的自適應性網絡存取安全解決方案，來自世界上其中一個最值得信賴的網絡安全品牌 Nord Security。致力於幫助 CEO、CIO 和 IT 管理員輕鬆應對網絡擴展和安全挑戰。NordLayer 與零信任網絡存取（ZTNA）和安全服務邊緣（SSE）原則保持一致，是一個無需硬件的解決方案，保護公司企業免受現代網絡威脅。通過 NordLayer，各種規模的公司企業都可以在不需要深入專業技術知識的情況下保護他們的團隊和網絡，它易於部署、管理和擴展。
Version 2 Digital 是立足亞洲的增值代理商及IT開發者。公司在網絡安全、雲端、數據保護、終端設備、基礎設施、系統監控、存儲、網絡管理、商業生產力和通信產品等各個領域代理發展各種 IT 產品。透過公司龐大的網絡、通路、銷售點、分銷商及合作夥伴，Version 2 提供廣被市場讚賞的產品及服務。Version 2 的銷售網絡包括台灣、香港、澳門、中國大陸、新加坡、馬來西亞等各亞太地區，客戶來自各行各業，包括全球 1000 大跨國企業、上市公司、公用事業、醫療、金融、教育機構、政府部門、無數成功的中小企及來自亞洲各城市的消費市場客戶。
Until recently, achieving full network visibility was a privilege reserved for large enterprises. Advanced monitoring required significant capital investment, specialized security teams, and lengthy deployment cycles. Today, IT teams, particularly those across Europe, face heightened complexity, limited staff, and growing regulatory pressures. The threat landscape is constant, but the ability to manage it varies widely.
Managed monitoring changes the operational equation for organizations that cannot afford a dedicated 24/7 Security Operations Center (SOC). It provides many benefits similar to SOC as a Service (SOCaaS) but avoids the complexity and infrastructure burden of building a full security function internally.
With technologies like GREYCORTEX Mendel (a Network Detection and Response, or NDR, solution), providers can offer the same depth of insight previously only accessible to major corporations.
The core value is simple: organizations finally gain clarity into what is happening inside their network. They can spot misconfigurations, detect unauthorized connections, and notice the early signs of malicious activity. For many, this is the first time they can verify whether their segmentation and firewall rules are effective against real-world traffic.
This model is exemplified by partners like SOC360 in Poland. They combine Mendel’s deep visibility with their own expert monitoring and response processes, providing predictable costs, quick deployment, and continuous expert oversight.
For many organizations, this replaces reliance on assumptions and isolated alerts with insights supported by data and clear recommendations.
For larger organizations that maintain their own SOC, the approach shifts. Instead of outsourcing, they integrate GREYCORTEX Mendel directly into their environment. In these setups, deep network visibility becomes a powerful analytical advantage.
In-house SOC teams gain a clear view of device communication, user behavior, and performance trends over time. Crucially, they access historical data that traditional log-centric tools often cannot provide. This depth speeds up investigations, reduces noise, and helps analysts understand not only that something happened, but also how and why it occurred.
Network security monitoring proves that meaningful visibility is no longer limited by the size of your security team. Smaller companies gain critical clarity without building a SOC, while mature environments enhance their detection and investigation workflows through deeper network context.
GREYCORTEX Mendel supports both needs: it enables providers to deliver reliable monitoring as a service, and it gives enterprise SOCs the analytical depth required to manage complex infrastructures. The objective remains the same: reduce uncertainty, speed up response, and create a network environment where hidden activity is harder to ignore.
About GREYCORTEX
GREYCORTEX uses advanced artificial intelligence, machine learning, and data mining methods to help organizations make their IT operations secure and reliable.
MENDEL, GREYCORTEX’s network traffic analysis solution, helps corporations, governments, and the critical infrastructure sector protect their futures by detecting cyber threats to sensitive data, networks, trade secrets, and reputations, which other network security products miss.
MENDEL is based on 10 years of extensive academic research and is designed using the same technology which was successful in four US-based NIST Challenges.
Version 2 Digital is one of the most dynamic IT companies in Asia. The company distributes a wide range of IT products across various areas including cyber security, cloud, data protection, end points, infrastructures, system monitoring, storage, networking, business productivity and communication products.
Through an extensive network of channels, point of sales, resellers, and partnership companies, Version 2 offers quality products and services which are highly acclaimed in the market. Its customers cover a wide spectrum which include Global 1000 enterprises, regional listed companies, different vertical industries, public utilities, Government, a vast number of successful SMEs, and consumers in various Asian cities.
2025-12-11 IT Operations Management (ITOM) is the technical backbone ensuring IT infrastructure is stable, available, and efficient. It focuses on monitoring, automation, capacity planning, and configuration management (CMDB). By proactively detecting and resolving issues before users notice, ITOM complements ITSM and is rapidly evolving toward AIOps for smarter, data-driven automation.
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Capital markets operate under the harshest interdiv of regulatory scrutiny, cyber risk, and real-time performance requirements. Trading floors must simultaneously ensure sub-10 ms latency, enforce strict segregation of duties, store records immutably, and prevent any leakage of sensitive market data—whether traders are working on-premises, at home, or in regulated international environments.
Traditional VDI and physical trading towers were never designed for this landscape. They assume trusted networks, trusted devices, and perimeter firewalls—models that no longer match the way trading firms operate. In 2025, regulatory agencies expect firms to adopt Zero-Trust principles, enforce strict identity governance, and produce immutable audit evidence on demand.
Browser-native desktops running on Oracle Cloud Infrastructure (OCI) provide a direct path to achieving this. They eliminate the endpoint as a threat vector, record sessions immutably, centralize policy enforcement, and store all regulatory evidence in WORM form. For CISOs and compliance leaders, this architecture simplifies what was previously a patchwork of tools and controls into a single, governable system.
To understand the architecture powering browser-native trading desktops, start with our foundational guide.
Trading floors remain one of the highest-value targets for cyber-attacks. Sophisticated adversaries are now specifically exploiting unmanaged home networks, personal devices, and VPN tunnel exposures. A compromised trader laptop is not simply an IT issue—it can lead to unauthorized trades, leaked models, or regulatory violations.
Zero-Trust VDI removes trust from the endpoint entirely. Every session is authenticated, authorized, segmented, monitored, and recorded, regardless of the user’s location. Nothing on the device has privileged access. No data ever lands on the endpoint. Every action is captured for compliance.
Thinfinity’s browser-native protocol and OCI’s defense-in-depth controls create a hardened pathway for financial workloads: low-latency, high-fidelity, and compliant by design.
Zero-Trust is not a feature—it is an operational model. Browser-native desktops on OCI enforce this model through five architectural principles that traditional VDI cannot replicate.
Most financial institutions still maintain a web of tools to satisfy evidentiary, retention, and reporting obligations. Browser-native VDI consolidates these requirements into a single audit pipeline.
OCI Object Storage WORM guarantees that no session recording, audit log, or encryption key can be altered or removed during the mandated retention period. This satisfies non-rewrite, non-erase mandates without specialized appliances.
Every workspace interaction is time-stamped, signed, and indexed. Data lineage becomes deterministic, producing standardized evidence files ready for FINRA reviews or internal audit.
Browser-native desktops generate structured logs and tamper-proof session evidence that meets CFTC requirements for electronic records, metadata completeness, and accessibility.
Browser-native VDI does not approximate compliance—it achieves it by design.
A Zero-Trust trading floor is not a multi-year transformation. Most firms complete the transition within 90 days using the following model:
This creates a verifiable, compliant, and inspectable environment that regulators immediately understand and trust.
In capital markets, security and compliance are not abstract mandates—they influence trade execution reliability, time-to-market, talent retention, and the ability to operate across global jurisdictions. A Zero-Trust desktop model built on browser-native delivery gives firms a competitive edge by combining security, operational discipline, and low latency in one architecture.
The shift away from physical trading towers is no longer only about efficiency; it is about building an environment where compliance, auditability, identity governance, and performance coexist without compromise. Browser-native desktops make that possible.
About Cybele Software Inc.
We help organizations extend the life and value of their software. Whether they are looking to improve and empower remote work or turn their business-critical legacy apps into modern SaaS, our software enables customers to focus on what’s most important: expanding and evolving their business.
Version 2 Digital is one of the most dynamic IT companies in Asia. The company distributes a wide range of IT products across various areas including cyber security, cloud, data protection, end points, infrastructures, system monitoring, storage, networking, business productivity and communication products.
Through an extensive network of channels, point of sales, resellers, and partnership companies, Version 2 offers quality products and services which are highly acclaimed in the market. Its customers cover a wide spectrum which include Global 1000 enterprises, regional listed companies, different vertical industries, public utilities, Government, a vast number of successful SMEs, and consumers in various Asian cities.
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