Latest cybersecurity reporting from selected sources.

Nissan is warning that it suffered a data breach affecting current and former employees after threat actors exploited an Oracle PeopleSoft vulnerability in data theft attacks previously linked to the ShinyHunters extortion group. [...]

Eurofiber France disclosed a data breach it discovered late last week when hackers gained access to its ticket management system by exploiting a vulnerability and exfiltrated information. [...]

The Netherlands' National Cyber Security Centre (NCSC) is warning that a critical Citrix NetScaler vulnerability tracked as CVE-2025-6543 was exploited to breach "critical organizations" in the country. [...]

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 Canadian Centre for Cyber Security and the U.S. Federal Bureau of Investigation (FBI) have issued an advisory warning of cyber attacks mounted by the China-linked Salt Typhoon actors to breach major global telecommunications providers as part of a cyber espionage campaign

Fortinet has revealed that threat actors have found a way to maintain read-only access to vulnerable FortiGate devices even after the initial access vector used to breach the devices was patched

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a vulnerability linked to the supply chain compromise of the GitHub Action, tj-actions/changed-files, to its Known Exploited Vulnerabilities (KEV) catalog

Palo Alto Networks warns that hackers are actively exploiting a critical authentication bypass flaw (CVE-2025-0108) in PAN-OS firewalls, chaining it with two other vulnerabilities to breach devices in active attacks. [...]

Software vendor Trimble is warning that hackers are exploiting a Cityworks deserialization vulnerability to remotely execute commands on IIS servers and deploy Cobalt Strike beacons for initial network access. [...]

​Attackers are exploiting a new authentication bypass zero-day vulnerability in FortiOS and FortiProxy to hijack Fortinet firewalls and breach enterprise networks. [...]

Chinese Cyber Espionage Campiagn Is 'Much Larger Than Previously Known'Chinese hackers breached thousands of vulnerable Fortigate network security appliances in a cyber-espionage campaign "much larger than previously known," a Dutch cybersecurity agency warned Tuesday. Even fully patched FortiGate devices may still be infected.

Cloud computing and analytics company Snowflake said a "limited number" of its customers have been singled out as part of a targeted campaign

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) revealed today that attackers who breached Ivanti appliances using one of multiple actively exploited vulnerabilities can maintain root persistence even after performing factory resets. [...]

Poorly secured Linux SSH servers are being targeted by bad actors to install port scanners and dictionary attack tools with the goal of targeting other vulnerable servers and co-opting them into a network to carry out cryptocurrency mining and distributed denial-of-service (DDoS) attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning about hackers actively exploiting a critical vulnerability in Adobe ColdFusion identified as CVE-2023-26360 to gain initial access to government servers. [...]

F5 is warning BIG-IP admins that devices are being breached by "skilled" hackers exploiting two recently disclosed vulnerabilities to erase signs of their access and achieve stealthy code execution. [...]

North Korean threat actors are actively exploiting a critical security flaw in JetBrains TeamCity to opportunistically breach vulnerable servers, according to Microsoft

Microsoft has detailed a new campaign in which attackers unsuccessfully attempted to move laterally to a cloud environment through a SQL Server instance

CISA warned today of the significant breach risks linked to insecure direct object reference (IDOR) vulnerabilities impacting web applications in a joint advisory with the Australian Cyber Security Centre (ACSC) and U.S. National Security Agency (NSA). [...]

The US government is warning that threat actors breached the network of a U.S. organization in the critical infrastructure sector after exploiting a zero-day RCE vulnerability currently identified as CVE-2023-3519, a critical-severity issue in NetScaler ADC and Gateway that Citrix patched this week. [...]