**Week in Review: Cybersecurity News You Need to Know**
As we dive into another week of cybersecurity news, it's clear that attackers are getting creative with their tactics. From exploiting vulnerabilities in popular software to using social engineering tactics to trick employees, the threats are relentless. In this week's review, we'll cover some of the most significant stories from around the web.
**Microsoft SharePoint Flaw Exploited by Attackers**
A critical vulnerability (CVE-2026-20963) in Microsoft SharePoint has been exploited by attackers, according to a warning issued by the US Cybersecurity and Infrastructure Security Agency (CISA). The flaw, which was patched by Microsoft in January 2026, allows for remote code execution (RCE) on affected systems. This is not the first time we've seen this vulnerability exploited – it's been used in attacks since March 2026.
**ScreenConnect Servers Open to Attack**
Unpatched ScreenConnect servers are vulnerable to hijacking by attackers, thanks to a critical flaw (CVE-2026-3564) that could allow them to forge trusted authentication. ConnectWise has patched the issue, but organizations using the remote access platform should ensure their systems are up-to-date.
**Other Notable Stories**
* **AI Models Leaking Data**: Researchers have identified a security risk when attackers hide malicious instructions in README files used by AI coding agents. * **EU Sanctions Chinese Company**: The EU Council has sanctioned companies from China and Iran, along with two individuals, over cyberattacks targeting its member states and partners. * **Global Fraud Losses Reach $442 Billion**: Online fraud is reaching more victims and generating larger losses, driven by digital tools and organized networks operating across borders. * **Big Tech Companies Support Open Source Security**: Major technology players have committed funding to strengthen open source security efforts, which are moving beyond threat identification toward practical solutions for defenders.
**What You Can Do**
As a cybersecurity professional or enthusiast, it's essential to stay informed about the latest threats and vulnerabilities. Here are some steps you can take:
* Ensure your systems are up-to-date with the latest patches and updates. * Implement robust security controls to prevent attackers from exploiting vulnerabilities. * Stay vigilant for social engineering tactics used by attackers. * Consider implementing AI-powered security tools to help detect and respond to threats.
By staying informed and proactive, we can work together to stay ahead of the threats and keep our online systems secure.
**Conclusion**
The world of cybersecurity is constantly evolving, with new threats emerging daily. By staying on top of the latest news and developments, we can better protect ourselves and our organizations from these threats. Whether you're a seasoned security professional or just starting out in the field, there's always more to learn – and this week's review has shown us that even small vulnerabilities can have significant consequences.
As always, we'll be back next week with another update on the latest cybersecurity news and trends. In the meantime, stay safe online!
**References:**
* CISA Warning: CVE-2026-20963 Exploited by Attackers * ConnectWise Patch for ScreenConnect Servers * EU Council Sanctions Chinese Company * Global Fraud Losses Reach $442 Billion * Big Tech Companies Support Open Source Security