Latest cybersecurity reporting from selected sources.

CISA has ordered federal agencies to secure their systems by Saturday against ongoing attacks exploiting a critical vulnerability in the Oracle E-Business Suite financial application. [...]

Attackers have begun exploiting a critical vulnerability (CVE-2026-46817) in the Oracle E-Business Suite (EBS) financial application, according to threat intelligence company Defused. [...]

Forrester's Allie Mellen on Preparing for a Mythos-Level Surge in VulnerabilitiesAI is simultaneously the biggest threat to financial system security and the most powerful tool for defending it. The IMF is sounding the alarm on systemic risk. Forrester principal analyst Allie Mellen breaks down what that means for CISOs and security teams at financial institutions.

German Financial Regulator Warns Sector to Step Up DefensesOpenAI is stepping up to do what arch-rival Anthropic still won't. The AI firm will give European authorities and companies access to its new vulnerability-finding AI model, so they can beef up their cybersecurity.

Mythos Found ‘Tens of Thousands’ of Unpatched Flaws With Months to Fix ThemAnthropic CEO Dario Amodei warned that Claude Mythos has found tens of thousands of unpatched software vulnerabilities, with a six-to-12 month window before Chinese AI models catch up. The disclosure came alongside a major financial services push including an investor-backed firm and 10 new AI agents.

Great idea, guys. Let's keep all of the data in an Excel file with weak password protection PWNED Welcome, once again, to PWNED, the weekly column where we recount the adventures of IT explorers who found their own pile of quicksand and then jumped right into it. This week's story involves keeping sensitive information in a very vulnerable place and then not protecting it adequately.…

Officials Warned New Models Could Accelerate Cyber Risks Faster Than RulesGlobal finance officials meeting in Washington warned that advanced artificial intelligence models could expose structural weaknesses across banking and payment systems, speeding vulnerability discovery and cyber exploitation faster than regulators can build guardrails.

Vulnerable citizens targeted by criminals purporting to represent fake police crisis department Scammers targeted Dubai citizens mere hours after missiles struck the city, attempting to gain access to their bank accounts, police have warned.…

A critical vulnerability in Yearn Finance's yETH pool allowed an attacker to steal around $9m

Bug bounty programs create formal channels for organizations to leverage external security expertise, offering researchers legal protection and financial incentives for ethical vulnerability disclosure.

Hackers believed to be associated with China have leveraged the ToolShell vulnerability (CVE-2025-53770) in Microsoft SharePoint in attacks targeting government agencies, universities, telecommunication service providers, and finance organizations. [...]

Also: Train Hack Risks Outed by CISA Alert; AI Comprehension Issues Won't Go AwayIn this week's update, four ISMG editors discussed the potential global implications of the Seychelles Commercial Bank data breach; the real-world threat of train hacks following an alert about a critical railway vulnerability; and growing concerns around AI's "comprehension problem."

Also: CISA Warns of Unpatched Train Brake VulnerabilityThis week: Louis Vuitton and Co-op confirm breaches, unpatched train brake flaw, Barclays fined £42M pounds for financial crime failures, secret U.K. program relocated thousands of Afghans, ex-soldier pleads guilty to hacking, Ukrainian hackers claim hit on Russian drone supplier.

The French cybersecurity agency on Tuesday revealed that a number of entities spanning governmental, telecommunications, media, finance, and transport sectors in the country were impacted by a malicious campaign undertaken by a Chinese hacking group by weaponizing several zero-day vulnerabilities in Ivanti Cloud Services Appliance (CSA) devices

Security teams face growing demands with more tools, more data, and higher expectations than ever. Boards approve large security budgets, yet still ask the same question: what is the business getting in return? CISOs respond with reports on controls and vulnerability counts – but executives want to understand risk in terms of financial exposure, operational impact, and avoiding loss

Microsoft has revealed that a now-patched security flaw impacting the Windows Common Log File System (CLFS) was exploited as a zero-day in ransomware attacks aimed at a small number of targets

Over 10K Exploit Attempts Recorded in a Week From a Single Malicious IPHackers are exploiting a vulnerability in ChatGPT's infrastructure to redirect users to malicious websites, with security researchers recording more than 10,000 exploit attempts in a week from a single malicious IP address. The financial sector has borne the brunt of the attacks.

Trump's Procurement Tracking Directive Could Expose Vast Government Data to ThreatsThe White House is mandating federal agencies to track and justify every procurement, a move aimed at transparency but one that experts warn could expose troves of sensitive financial data to hacking, nation-state cyber threats and potential supply chain vulnerabilities across government systems.

Suspect, still at large, said to back concept that 'code is law' New York feds today unsealed a five-count criminal indictment charging a 22-year-old Canadian math prodigy with exploiting vulnerabilities in two decentralized finance protocols, allegedly using them to fraudulently siphon around $65 million from investors in the platforms.…

The UK’s financial regulators have discarded plans to force critical suppliers to disclose new vulnerabilities