Latest cybersecurity reporting from selected sources.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra Collaboration Suite (ZCS) and Microsoft Office SharePoint, stating they have been actively exploited in the wild

Also, Active Exploits Hit SolarWinds, Ivanti as APT28 Targets EU, UkraineThis week, Italy blocked Russian cyberattacks targeting the Olympics. Flaws in SolarWinds, Ivanti and Microsoft Office. Russia's APT28 ramped up attacks in Ukraine, supply chain attacks, regulators probed major breaches and a U.S. judge sentenced the operator of a darkweb drug marketplace.

Also, Active Exploits Hit SolarWinds, Ivanti as APT28 Targets EU, UkraineThis week, Italy blocked Russian cyberattacks targeting the Olympics. Flaws in SolarWinds, Ivanti and Microsoft Office. Russia's APT28 ramped up attacks in Ukraine, supply chain attacks, regulators probed major breaches and a U.S. judge sentenced the operator of a darkweb drug marketplace.

US Cyber Defense Agency Releases Best Practices to Harden Exchange EnvironmentsU.S. cyber defense officials and their international partners issued a new blueprint for mitigating Microsoft Exchange vulnerabilities on Thursday as governments worldwide continue to grapple with persistent intrusion campaigns targeting on-premises Microsoft Exchange servers in hybrid environments.

Threat actors with ties to China exploited the ToolShell security vulnerability in Microsoft SharePoint to breach a telecommunications company in the Middle East after it was publicly disclosed and patched in July 2025

The recent mass-theft of authentication tokens from Salesloft, whose AI chatbot is used by a broad swath of corporate America to convert customer interaction into Salesforce leads, has left many companies racing to invalidate the stolen credentials before hackers can exploit them. Now Google warns the breach goes far beyond access to Salesforce data, noting the hackers responsible also stole valid authentication tokens for hundreds of online services that customers can integrate with Salesloft, including Slack, Google Workspace, Amazon S3, Microsoft Azure, and OpenAI.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), on July 22, 2025, added two Microsoft SharePoint flaws, CVE-2025-49704 and CVE-2025-49706, to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation

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

Threat hunters have shed light on a new campaign targeting the foreign ministry of an unnamed South American nation with bespoke malware capable of granting remote access to infected hosts

A now-patched security flaw in the Microsoft Defender SmartScreen has been exploited as part of a new campaign designed to deliver information stealers such as ACR Stealer, Lumma, and Meduza

Cybersecurity firm CrowdStrike, which is facing the heat for causing worldwide IT disruptions by pushing out a flawed update to Windows devices, is now warning that threat actors are exploiting the situation to distribute Remcos RAT to its customers in Latin America under the guise of providing a hotfix

The infamous Russian threat actor has created a custom tool called GooseEgg to exploit CVE-2022-38028 in cyber-espionage attacks against targets in Ukraine, Western Europe, and North America.

Mispadu Trojan Is Compromising Windows Security, Posing Threat to Banking SystemsThe novel variant of the banking Trojan Mispadu is targeting Latin American countries, especially Mexico, by exploiting a flaw in Windows SmartScreen. In this latest distribution method, the attackers send spam emails that deliver deceptive URL files that circumvent the SmartScreen banner warning.

Financially Motivated Actors Targeting US, EU and LATAM CountriesFinancially motivated Turkish hackers are targeting Microsoft SQL servers in the United States, Europe and Latin America in hacking that ultimately ends with deployment of Mimic ransomware or the sale of access to infected hosts on criminal online markets.

A member of U.S. Navy's red team has published a tool called TeamsPhisher that leverages an unresolved security issue in Microsoft Teams to bypass restrictions for incoming files from users outside of a targeted organization, the so-called external tenants. [...]

Proof-of-concept (Poc) code has been released for a now-patched high-severity security flaw in the Windows CryptoAPI that the U.S. National Security Agency (NSA) and the U.K. National Cyber Security Centre (NCSC) reported to Microsoft last year

A cyber mercenary that "ostensibly sells general security and information analysis services to commercial customers" used several Windows and Adobe zero-day exploits in limited and highly-targeted attacks against European and Central American entities

A suspected state-aligned threat actor has been attributed to a new set of attacks exploiting the Microsoft Office "Follina" vulnerability to target government entities in Europe and the U.S

Plus: HP fixes critical Teradici flaws, Karakurt may be a Conti side hustle, and info-stealing malware set free In Brief Microsoft will pay more — up to $26,000 more — for "high-impact" bugs in its Office 365 products via its bug bounty program.…