Cyber News & Articles

KrebsOnSecurity recently heard from a reader whose boss’s email account got phished and was used to trick one of the company’s customers into sending a large payment to scammers. An investigation into the attacker’s infrastructure points to a long-running Nigerian cybercrime group that is actively targeting established companies in the transportation and aviation industries.

Mitel has released security updates to address a critical security flaw in MiVoice MX-ONE that could allow an attacker to bypass authentication protections.
“An authentication bypass vulnerability has been identified in the Provisioning Manager component of Mitel MiVoice MX-ONE, which, if successfully exploited, could allow an unauthenticated attacker to conduct an authentication bypass attack

Virtualization and networking infrastructure have been targeted by a threat actor codenamed Fire Ant as part of a prolonged cyber espionage campaign.
The activity, observed this year, is primarily designed Now to infiltrate organizations’ VMware ESXi and vCenter environments as well as network appliances, Sygnia said in a new report published today.
“The threat actor leveraged combinations of

Cybersecurity researchers have shed light on a new versatile malware loader called CastleLoader that has been put to use in campaigns distributing various information stealers and remote access trojans (RATs).
The activity employs Cloudflare-themed ClickFix phishing attacks and fake GitHub repositories opened under the names of legitimate applications, Swiss cybersecurity company PRODAFT said in

Sophos and SonicWall have alerted users of critical security flaws in Sophos Firewall and Secure Mobile Access (SMA) 100 Series appliances that could be exploited to achieve remote code execution. 
The two vulnerabilities impacting Sophos Firewall are listed below –

CVE-2025-6704 (CVSS score: 9.8) – An arbitrary file writing vulnerability in the Secure PDF eXchange (SPX) feature can lead

Is Managing Customer Logins and Data Giving You Headaches? You’re Not Alone!
Today, we all expect super-fast, secure, and personalized online experiences. But let’s be honest, we’re also more careful about how our data is used. If something feels off, trust can vanish in an instant. Add to that the lightning-fast changes AI is bringing to everything from how we log in to spotting online fraud,

You wouldn’t run your blue team once a year, so why accept this substandard schedule for your offensive side?
Your cybersecurity teams are under intense pressure to be proactive and to find your network’s weaknesses before adversaries do. But in many organizations, offensive security is still treated as a one-time event: an annual pentest, a quarterly red team engagement, maybe an audit sprint

The Tibetan community has been targeted by a China-nexus cyber espionage group as part of two campaigns conducted last month ahead of the Dalai Lama’s 90th birthday on July 6, 2025.
The multi-stage attacks have been codenamed Operation GhostChat and Operation PhantomPrayers by Zscaler ThreatLabz.
“The attackers compromised a legitimate website, redirecting users via a malicious link and

Microsoft has revealed that one of the threat actors behind the active exploitation of SharePoint flaws is deploying Warlock ransomware on targeted systems.
The tech giant, in an update shared Wednesday, said the findings are based on an “expanded analysis and threat intelligence from our continued monitoring of exploitation activity by Storm-2603.”
The threat actor attributed to the financially

There is good news for any organisation which has been hit by the Phobos ransomware.

Japanese police have released a free decryptor capable of recovering files encrypted by both the notorious Phobos ransomware, and its offshoot 8Base.

Read more in my article on the Fortra blog.