From AI-driven phishing to major supply chain breaches, 2024 brought a wave of evolving cyber threats. This recap breaks down the key threats we saw last year, the impact they had, and why they grabbed attention. What do you think will shape the threat landscape in 2025? Drop your thoughts in the comments. #CyberSecurity #ThreatLandscape #CyberThreats #DataBreach #RevelSI
关于我们
RevelSI is a cybersecurity company structured on three core pillars - information security, infrastructure, and software development.? Our top priority is safeguarding the fast-evolving global infrastructures and technologies.? We seamlessly integrate cybersecurity into infrastructure development, operational processes, and software engineering to drive innovation and maintain a competitive edge in an ever-changing digital landscape.?
- 网站
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https://www.revelsi.com
RevelSI的外部链接
- 所属行业
- 计算机和网络安全
- 规模
- 51-200 人
- 总部
- New York,NY
- 类型
- 私人持股
地点
RevelSI员工
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Mihai Mreana
Creating Value Through Innovation | Architect of Next-Gen Technology Solutions
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Vlad Deliu, CFA, PRM
Chief Financial Officer | Cybersecurity Evangelist | Revenue Growth, Finance & Capital Markets Expert | Board Member, & Audit Committee President |…
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Spencer Taliaferro
Owner, ST_VACATIONS
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Ionut P.
Project Management | ITIL Certified | Service Management | Automation
动态
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The manufacturing sector continues to face escalating cyber threats, with ransomware attacks becoming increasingly prevalent. A notable recent incident involves Unimicron Technology Corporation, a leading Taiwanese printed circuit board (PCB) manufacturer, which fell victim to a ransomware attack by the Sarcoma group.? What Happened On January 30, 2025, Unimicron's subsidiary, Unimicron Technology (Shenzhen) Corp., experienced a ransomware attack. The Sarcoma ransomware group claimed responsibility, alleging the theft of 377 GB of SQL files and documents. They threatened to publicly release the data if their ransom demands were not met.? Risk Ransomware attacks pose significant risks to the manufacturing sector, including operational disruptions, financial losses, and compromised sensitive data. The manufacturing industry accounted for 25.7% of cyberattacks in recent years, with ransomware involved in 71% of these incidents. Such attacks can lead to substantial downtime, with costs averaging $1.9 million per day. Key Takeaways ? Enhance Cybersecurity Measures: Manufacturers should invest in robust cybersecurity protocols, including regular system updates, employee training, and advanced threat detection systems.?? ? Develop Incident Response Plans: Establishing and regularly updating incident response plans can help mitigate the impact of ransomware attacks.?? ? Collaborate with Industry Partners: Sharing threat intelligence and best practices within the industry can strengthen collective defenses against cyber threats.? The Unimicron incident highlights the critical need for the manufacturing sector to proactively address cybersecurity vulnerabilities to safeguard operations and maintain supply chain integrity. Stay safe, stay ahead! ? ? #CyberSecurity #Ransomware #Manufacturing #SupplyChainRisk #ThreatIntelligence #RevelSI ?
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On Patch Tuesday - March 11, 2025, Microsoft rolled out patches for 57 vulnerabilities, including 6 actively exploited zero-days already used in real-world attacks. These flaws span across Windows OS, NTFS, Remote Desktop Services, and Microsoft Management Console, making them critical for organizations to address immediately. ?? Key Highlights of This Update: ? 6 Critical vulnerabilities – Highest risk, should be patched immediately? ? 50 Important vulnerabilities – Significant security risks across multiple services? ? 1 Low-severity vulnerability – Still worth addressing in a comprehensive security plan? ? 23 Remote Code Execution (RCE) bugs – Attackers can execute malicious code remotely? ? 22 Privilege Escalation flaws – Attackers can gain higher system access ?? Actively Exploited Zero-Days You NEED to Know About: ?? CVE-2025-24983 – A flaw in the Win32 Kernel Subsystem enables local privilege escalation. If left unpatched, attackers can take full control over affected systems.? ?? CVE-2025-24984 – An NTFS vulnerability that allows attackers with physical access to extract sensitive memory data using a malicious USB drive.? ?? CVE-2025-24985 – A Fast FAT File System integer overflow vulnerability, enabling attackers to execute arbitrary code locally.? ?? CVE-2025-24991 – Another NTFS flaw, causing information disclosure. Attackers could use it to extract confidential data.? ?? CVE-2025-24993 – A heap-based buffer overflow in NTFS, allowing unauthorized local code execution.? ?? CVE-2025-26633 – A flaw in Microsoft Management Console, leading to security feature bypass. ?? Why This Matters Zero-days are vulnerabilities that attackers discover and exploit before a patch is available. The fact that six of these flaws are already being weaponized means organizations are at immediate risk if they don’t act quickly. These types of vulnerabilities are commonly used in:? ?? Ransomware attacks – Privilege escalation bugs allow attackers to move laterally across networks.? ?? Phishing-based exploitation – Remote Code Execution vulnerabilities help install malware via malicious emails or links.? ?? Nation-state cyber espionage – Advanced persistent threat (APT) groups often leverage zero-days before the public knows they exist. ?? What You Should Do ? Patch Immediately – Prioritize Microsoft’s latest updates across all devices and networks.? ? Monitor for Unusual Activity – Watch for privilege escalation attempts and signs of remote execution exploits.? ? Reinforce Endpoint Protection – Ensure your EDR/XDR solutions are configured to detect new exploits.? ? Apply Least Privilege Policies – Prevent attackers from moving laterally if they do gain initial access.? ? Stay Safe, Stay Ahead! #CyberSecurity #Microsoft #ZeroDay #InfoSec #CyberThreats #Ransomware #ThreatIntelligence #RevelSI?#patchtuesday ?
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?? Massive Location Data Breach Raises Privacy Concerns ?? ?? Overview? Unacast, a location tracking company, recently reported a major data breach involving its U.S.-based subsidiary, Gravy Analytics. The breach exposed sensitive location data collected from thousands of mobile apps, including dating, gaming, religious, and health-tracking applications. ?? How It Happened? On January 4, 2025, Gravy Analytics detected unauthorized access to its AWS cloud storage. Hackers exploited a misappropriated access key, allowing them to steal vast amounts of precise location data. The compromised information reportedly originated from apps like Tinder, Grindr, Candy Crush, and more, raising serious privacy concerns. ? The Risk? This breach highlights the dangers of de-anonymization—even so-called “anonymous” location data can be used to track personal movements, behaviors, and even identify individuals. The Federal Trade Commission (FTC) had already warned about Gravy Analytics' alleged failure to obtain proper user consent before selling location data to commercial and government entities. ?? Key Takeaways? ? Stronger Security Measures – Companies handling sensitive data must prioritize robust access controls and continuous monitoring to prevent unauthorized access.? ? Transparency & Consent – Businesses collecting user data should ensure explicit user consent and avoid questionable data-sharing practices.? ? Regulatory Scrutiny is Rising – With growing concerns around data privacy laws, organizations should expect increased compliance enforcement and potential penalties for mishandling personal data. ?? What are your thoughts on location data privacy? Should stricter regulations be in place to prevent such breaches? Let’s discuss in the comments! ?? #CyberSecurity #DataPrivacy #DataBreach #LocationTracking #Compliance #revelsi #breachseries?
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The attack on Krpano framework A recent cyberattack, dubbed "360XSS," has compromised over 350 websites by exploiting a cross-site scripting (XSS) vulnerability in the #Krpano framework, a tool widely used for embedding 360° images and videos. How It Happened The attackers leveraged a reflected XSS flaw, identified as CVE-2020-24901, within the Krpano framework. This #vulnerability allowed malicious actors to inject scripts into websites utilizing Krpano, leading to the display of dubious advertisements in search results. Notably, the exploitation did not require user interaction, as the malicious links were distributed via search engines, effectively poisoning search engine optimization (SEO). Risks The primary risk associated with this attack is the unauthorized injection of spam advertisements into legitimate websites, which can damage the credibility of affected organizations and mislead users. Additionally, the exploitation of such vulnerabilities underscores the potential for more severe attacks, including data theft or further malware distribution.? Key Takeaways ? Prompt Vulnerability Management: Organizations must regularly update and patch software frameworks to mitigate known vulnerabilities. In this case, updating the Krpano framework to the latest version addresses the XSS flaw. thehackernews.com? ? Enhanced Security Configurations: Review and adjust default configurations of third-party tools to minimize security risks. Disabling or restricting settings like 'passQueryParameters' can prevent potential exploits. thehackernews.com? ? Continuous Monitoring: Implement robust monitoring of web applications to detect and respond to unauthorized modifications or malicious activities promptly.? This incident serves as a critical reminder of the importance of proactive cybersecurity measures in safeguarding digital assets against evolving threats. Stay safe, stay ahead! #RevelSI #Cybersecurity #vulnerabilityseries ?
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TalkTalk’s Recurring Data Breach TalkTalk is back in the headlines for yet another data breach. If history has taught us anything, it’s that cybersecurity is an ongoing battle—and organizations that fail to learn from past mistakes pay the price. A History of Data Breaches Back in 2015, TalkTalk suffered a cyberattack that exposed personal and banking details of 157,000 customers. The attack was a result of an SQL injection vulnerability, leading to a £400,000 fine by the ICO for poor security measures. This was a wake-up call, but fast forward to 2025, and the company finds itself embroiled in another data breach controversy. TalkTalk 2025 Data Breach Overview In January 2025, a hacker known as "b0nd" claimed to have stolen and put up for sale the personal data of over 18.8 million current and former TalkTalk customers. The company disputes this number, stating it’s “wholly inaccurate,” given that it only has around 2.4 million customers. Regardless of the scale, this breach underscores major security concerns. How It Happened The breach was reportedly linked to a third-party supplier's system, specifically CSG’s Ascendon platform, which TalkTalk relies on for subscription management. The breach exposed customer names, emails, IP addresses, phone numbers, and subscriber PINs. Thankfully, financial and billing data was not stored on the compromised system, limiting the damage. Risk Even without financial data, exposed personal details can lead to phishing attacks, social engineering scams, and identity theft. Attackers can leverage this information to gain access to other accounts, impersonate customers, or sell the data on the dark web. Key Takeaways ?? Third-Party Security Matters: Many companies rely on external vendors, but security must be a shared responsibility. Regular audits and vendor risk assessments are essential. ?? Data Minimization is Crucial: The more customer data a company stores, the bigger the risk. Retaining only necessary information reduces exposure in the event of a breach. ?? Transparency Builds Trust: While TalkTalk disputes the scale of the breach, customers deserve clear and timely communication to protect themselves from potential fraud. ?? Cybersecurity is Continuous: A 2015 breach should have prompted stronger security protocols. Organizations must continuously evolve their security posture to defend against new threats. Final Thoughts TalkTalk’s repeated security failures serve as a stark reminder: cybersecurity isn’t a one-time investment—it’s an ongoing commitment. If organizations don’t prioritize security, their customers (and reputation) will ultimately pay the price. ?? What are your thoughts on recurring breaches like this? Are companies learning from past mistakes, or are we doomed to see history repeat itself? Let’s discuss in the comments! #CyberSecurity #DataBreach #revelsi #breachwatchseries? ? Stay safe, stay ahead!??
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Atos: A Cybersecurity Success Story Overview In late December 2024, the ransomware group Space Bears claimed to have breached Atos, a leading French IT services company known for its critical work with France’s military and intelligence agencies. The attackers alleged they had accessed an internal Atos database and threatened to leak sensitive information. However, in a swift and effective response, Atos conducted an investigation and refuted the claims, proving that their internal systems had not been compromised. Instead, the breach originated from a third-party infrastructure not managed or secured by Atos. How It Happened On December 28, 2024, Space Bears listed Atos as a victim on their darknet leak site, insinuating they had obtained confidential data. Atos immediately mobilized its cybersecurity team, launching an in-depth investigation. The findings revealed that the breach occurred within an external vendor’s system that referenced Atos-related data but was completely separate from Atos’s own secured environment. Atos’s proactive security measures, strong internal defences, and efficient incident response ensured that no proprietary data, source code, or internal infrastructure was affected. Risk: The Critical Need for Third-Party Security Scrutiny This incident highlights?a growing cybersecurity challenge: third-party and vendor security risks. Organizations often have robust internal security measures but remain vulnerable through their extended supply chains and partnerships. Cybercriminals increasingly target third-party service providers, knowing that they may serve as the weakest link in an otherwise secure ecosystem. Key Takeaways: Lessons from Atos’s Success ? Rigorous Third-Party Security Assessments: Businesses must conduct thorough security evaluations of all vendors, contractors, and service providers. ? Proactive Incident Response Plans: Atos’s ability to swiftly investigate and publicly refute false claims highlights the importance of having a well-defined incident response strategy in place. ? Continuous Monitoring of Vendor Networks: Organizations should implement continuous monitoring tools to detect potential vulnerabilities within their vendor ecosystem before attackers can exploit them. Final Thoughts Atos’s handling of this situation serves as a prime example of strong cybersecurity governance in action. The company’s ability to quickly investigate and validate security claims highlights the critical importance of vendor security oversight. As cyber threats continue to evolve, businesses must look beyond their internal networks and implement robust security frameworks for all third-party collaborations. Cybersecurity is only as strong as the weakest link—ensuring vendor and third-party resilience must be a top priority for organizations worldwide. Stay safe, stay ahead! #cybersecurity #RevelSI #SuccessStory #breachseries
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Recent reports have identified a series of vulnerabilities in Git, collectively termed 'Clone2Leak,' which can be exploited to leak user credentials. These vulnerabilities primarily involve improper handling of authentication requests by Git and its associated credential helpers.? Key Vulnerabilities: ? Carriage Return Smuggling (CVE-2025-23040 and CVE-2024-50338): This manipulation can trick the credential helper into sending GitHub credentials to an attacker-controlled server instead of the intended host.?? ?Newline Injection (CVE-2024-53263):? Attackers can exploit this by altering credential requests, causing Git to send GitHub credentials to a malicious server rather than the correct one.?? ?Logic Flaws in Credential Retrieval (CVE-2024-53858): In GitHub CLI and GitHub Codespaces, overly permissive credential helpers can send authentication tokens to unintended hosts. Attackers can steal GitHub access tokens by convincing a user to clone a malicious repository within Codespaces.? Mitigation Steps: ?? Update Affected Software: Ensure that you are using the latest versions of the affected tools:? GitHub Desktop: Update to version 3.4.12 or newer.? Git Credential Manager: Update to version 2.6.1 or newer.? Git LFS: Update to version 3.6.1 or later.? GitHub CLI: Update to version 2.63.0 or later.? ??Enable 'credential.protectProtocol': Configure Git's credential.protectProtocol setting to add an extra layer of defense against credential smuggling attacks.?? ??Audit Credential Configurations: Regularly review and audit your credential configurations to ensure they are secure.? ??Exercise Caution with Repositories: Be cautious when cloning or interacting with unfamiliar repositories, especially those that may contain submodules or configurations that could be maliciously crafted. If you’re looking to deep dive into the subject, check the article bellow. ? https://lnkd.in/dm5md9bD Stay safe, stay ahead. Update! #cybersecurity #revelsi #vulnerabilityseries #git #dataleak ? ?
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Overview In today’s dynamic threat landscape, attackers are refining their tactics to bypass traditional defences. Recent research and industry insights highlight a growing trend: the combination of Account-In-The-Middle (AITM) techniques with sophisticated MFA phishing attacks.? Traditionally, multi-factor authentication (MFA) has been seen as a robust security layer. However, cybercriminals are now leveraging real-time interception methods to capture MFA tokens, effectively neutralizing what was once considered a reliable barrier.? Multiple sources, including cybersecurity analyses and updates from Microsoft, reveal that these attacks use real-time proxying to intercept authentication challenges, allowing attackers to exploit legitimate sessions immediately. This evolution demonstrates that even advanced authentication measures can be vulnerable when attackers adapt their strategies. ? ? Implications The implications for organizations are significant: ? Reassessing MFA’s Role: While MFA remains a critical security measure, relying on it exclusively can leave gaps. The evolution of AITM attacks means that MFA tokens can be intercepted before they expire, making real-time detection and response essential.? ? Layered Defense is Key: Organizations must adopt a multi-layered security approach. This includes not only robust MFA but also behavioral analytics, anomaly detection, and conditional access policies. For example, Microsoft’s new protections rolled out in 2023 incorporate advanced session monitoring and risk-based authentication to identify and block suspicious activities.? ? User Awareness and Training: As attackers refine their phishing techniques, the human element remains a critical vulnerability. Regular training and simulated phishing exercises are essential to help employees recognize sophisticated phishing attempts that might lead to AITM breaches.? ? Zero-Trust Architecture: Implementing a zero-trust framework can help minimize the risk by continuously validating the legitimacy of each access attempt, regardless of the network’s perceived safety. Conclusions The convergence of AITM methods with MFA phishing represents a clear signal: cyber threats are evolving, and so must our defences. MFA continues to be a vital component of cybersecurity, but it cannot be the only line of defence. Organizations need to integrate advanced detection mechanisms, enforce a zero-trust approach, and maintain a strong emphasis on user education to mitigate these risks. By combining technical innovations—like Microsoft’s enhanced 2023 protections—with a proactive security culture, businesses can better protect themselves against these emerging threats.? ? P.S. If you want to see a breakdown of this technique, you should check the article from Jeffrey Appel . Link in comment section. #CyberSecurity #MFA #Phishing #AITM #MicrosoftSecurity #ZeroTrust #InfoSec #ThreatDetection #vulnerabilityseries #RevelSI?
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Another week, another healthcare leak. Despite strict regulations like HIPAA (US) and NIS2 (EU) and continuous advancements in cybersecurity, data breaches in the healthcare industry remain alarmingly frequent. In 2023 alone, the U.S. Department of Health and Human Services reported over 500 major healthcare breaches, exposing the sensitive data of millions of patients. Today post is about the CHC Breach. ? ? Incident Overview? The Community Health Center (CHC), a nonprofit healthcare provider based in Connecticut, recently faced a significant data breach. This incident, discovered on January 2, 2025, has affected over 1 million patients, compromising their sensitive health and personal information. How It Happened? The breach was the result of a sophisticated ransomware attack that occurred on October 14, 2024. Hackers managed to gain unauthorized access to CHC's network. Although no data was locked or deleted, the attackers were able to exfiltrate a large amount of sensitive information. The breach went undetected for several months, highlighting vulnerabilities in CHC's cybersecurity measures. Impact and Risks? The stolen data includes a wide range of personal information such as names, birthdates, addresses, phone numbers, emails, Social Security numbers, medical records, and health insurance information. This type of data is highly valuable to cybercriminals and can be used for identity theft, financial fraud, and other malicious activities. The affected individuals now face significant risks, including potential financial loss and privacy violations. Conclusions? Organizations must invest in advanced security measures, conduct regular audits, and provide ongoing employee training to prevent such breaches. In response to the breach, CHC is offering 24 months of free identity theft protection to those affected, which includes credit and cyber monitoring as well as identity theft recovery services. However, this incident serves as a reminder of the ongoing threats in the digital age and the importance of being vigilant and proactive in protecting sensitive information. Here’s what you can do:? ? Invest in Advanced Security Measures: Ensure your systems are equipped with the latest security technologies to detect and prevent cyber threats.? ? Conduct Regular Audits: Regularly review and update your security protocols to identify and address vulnerabilities.? ? Provide Employee Training: Educate your staff on best practices for cybersecurity to minimize the risk of human error.? ? Stay Informed: Keep up-to-date with the latest cybersecurity trends and threats to stay ahead of potential risks.? ? Stay safe, stay ahead.? #HealthcareDataBreach? #CybersecurityThreats? #RevelSI? #breachseries? #ITAudits ?
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