Latest cybersecurity reporting from selected sources.

Threat actors are actively teaching newcomers how to find, exploit, and profit from vulnerable systems. Flare explores what a popular underground hacking tutorial reveals about modern attacker workflows. [...]

Incident Responders Detail Top Ransomware and Business Email Compromise TacticsThere's no need to invest into sophisticated hacking operations when moving fast and exploiting well-trod techniques gives threat actors all the access they want. Threat actors are prioritizing "low-complexity entry points, rather than investing in sophisticated exploits," say incident responders.

Federal Agencies Ordered to Patch or Decommission F5 Devices Amid Imminent RiskAn advanced nation-state threat actor stole sensitive F5 source code and vulnerability data to craft tailored exploits, prompting an emergency directive amid a U.S. government shutdown that has left cyber defenses strained and federal networks at "imminent risk."

Threat actors with ties to China have been attributed to a novel campaign that compromised an ArcGIS system and turned it into a backdoor for more than a year

Also: Shibarium Plans to Reimburse Victims, $1.8M Abracadabra HackThis week, hackers stole $21 million from SBI crypto, Shibarium planned reimbursement for $4 million bridge exploit victims, Abracadabra lost $1.8 million in a hack and North Korean threat actors have set a new record stealing $2 billion this year so far.

Microsoft has formally tied the exploitation of security flaws in internet-facing SharePoint Server instances to two Chinese hacking groups called Linen Typhoon and Violet Typhoon as early as July 7, 2025, corroborating earlier reports

A China-linked unnamed threat actor dubbed Chaya_004 has been observed exploiting a recently disclosed security flaw in SAP NetWeaver

Unauthenticated Hackers Exploit CVE-2025-31324 to Upload WebshellsThreat actors are exploiting a zero-day flaw in a partially deprecated SAP tool still widely used by governments and businesses. On Friday, SAP's security division, Onapsis, disclosed that CVE-2025-31324 is "actively exploited in the wild."

The threat actors behind the zero-day exploitation of a recently-patched security vulnerability in Microsoft Windows have been found to deliver two new backdoors called SilentPrism and DarkWisp

UAT-5918 Breaches Taiwan's Critical Sectors Using N-Day Flaws for CyberespionageHackers with ties to China-based hacking groups including Volt Typhoon are breaching Taiwan's critical infrastructure by exploiting unpatched web and application servers as entry points for a cyberespionage campaign. Cisco Talos threat hunters identified the new threat actor as UAT-5918.

Mustang Panda Uses MAVInject to Evade Antivirus DetectionA Chinese state-sponsored hacking group is abusing a legitimate Microsoft tool to evade security and install backdoors on government systems in the Asia-Pacific region. The threat actor uses MAVInject.exe to inject malware into waitfor.exe.

Welcome to this week’s Cybersecurity News Recap. Discover how cyber attackers are using clever tricks like fake codes and sneaky emails to gain access to sensitive data. We cover everything from device code phishing to cloud exploits, breaking down the technical details into simple, easy-to-follow insights

The North Korea-linked Kimsuky hacking group has been attributed to a new social engineering attack that employs fictitious Facebook accounts to targets via Messenger and ultimately delivers malware

UNC5174 Exploited F5 BIG-IP and ScreenConnect VulnerabilitiesA likely Chinese hacker-for-hire used high-profile vulnerabilities in a campaign targeting a slew of Southeast Asian and U.S. governmental and research organizations, says threat intel firm Mandiant. Rapid exploitation of newly patched flaws has become a hallmark of Chinese threat actors.

Employment agencies and retail companies chiefly located in the Asia-Pacific (APAC) region have been targeted by a previously undocumented threat actor known as ResumeLooters since early 2023 with the goal of stealing sensitive data

A suspected Chinese-nexus hacking group exploited a recently disclosed zero-day flaw in Barracuda Networks Email Security Gateway (ESG) appliances to breach government, military, defense and aerospace, high-tech industry, and telecom sectors as part of a global espionage campaign

A threat actor believed to be tied to the FIN8 hacking group exploits the CVE-2023-3519 remote code execution flaw to compromise unpatched Citrix NetScaler systems in domain-wide attacks. [...]

An emerging Python-based credential harvester and a hacking tool named Legion are being marketed via Telegram as a way for threat actors to break into various online services for further exploitation

Threat actors using hacking tools from an Israeli surveillanceware vendor named QuaDream targeted at least five members of civil society in North America, Central Asia, Southeast Asia, Europe, and the Middle East

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), along with the Coast Guard Cyber Command (CGCYBER), on Thursday released a joint advisory warning of continued attempts on the part of threat actors to exploit the Log4Shell flaw in VMware Horizon servers to breach target networks