Microsoft this week announced the general availability of Defender for Business, an endpoint security solution aimed small- and medium-sized businesses (SMBs).
Cyberattacks in Ukraine: New Worm-Spreading Data-Wiper With Ransomware Smokescreen
Cybersecurity researchers tracking destructive data-wiping malware attacks in Ukraine are finding signs of new malware with worm-spreading capabilities and what appears to be a rudimentary ransomware decoy.
Microsoft: Cyberattacks in Ukraine Hitting Civilian Digital Targets
Microsoft is calling attention to a surge in cyber attacks on Ukrainian civilian digital targets, warning that the new “digital war” includes destructive malware attacks on emergency response services and humanitarian aid efforts.
The Redmond, Wash. software giant said the attacks on civilian targets raise serious concerns under the Geneva Convention.
Symantec: Super-Stealthy ‘Daxin’ Backdoor Linked to Chinese Threat Actor
Threat hunters at Symantec are calling global attention to a new, highly sophisticated piece of malware being used by a Chinese threat actor to burrow into — and hijack data from — government and critical infrastructure targets.
CISA, FBI Issue Warnings on WhisperGate, HermeticWiper Attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and Federal Bureau of Investigation (FBI) released indicators of compromise to help threat hunters look for signs of WhisperGate and HermeticWiper, two destructive malware files seen in recent attacks against organizations in Ukraine.
Cloudflare Plans to Acquire Email Security Startup Area 1
Web infrastructure and DDoS mitigation firm Cloudflare has announced plans to purchase Area 1, a Kleiner-Perkins-backed startup doing business in the competitive email security space.
NSA Informs Cisco of Vulnerability Exposing Nexus Switches to DoS Attacks
Cisco this week announced the availability of patches for four vulnerabilities in its FXOS and NX-OS network operating systems, including one denial of service bug that was reported by the NSA.
Astrix Security Nabs $15M to Tackle Attack Surface Sprawl
Israeli startup Astrix Security has banked $15 million in early stage venture capital investment to build technology to help organizations secure third-party app integrations.
The Tel Aviv-based Astrix said the seed round was led by Bessemer Venture Partners and F2 Capital. Venrock and a list of angel investors also participated.
MDR Vendor eSentire Banks $325M at ‘Unicorn’ Valuation
Canadian cybersecurity vendor eSentire has scored $325 million in new financing at a heady valuation north of a billion dollars.
SynSaber Launches Palm-Sized Threat Sensor for OT Environments
Industrial asset and network monitoring solutions provider SynSaber has announced the general availability of its product, a small device that enables organizations to gain visibility into their operational technology (OT) environments and detect potential threats.












