cyber espionage

Laundry Bear’s new Microsoft Exchange attack triggers on email open (CVE-2026-42897)

APT, cyber espionage, Don't miss, government-backed attacks, Hot stuff, Microsoft Exchange, News, Proofpoint, Russian Federation, vulnerability /

Laundry Bear’s new Microsoft Exchange attack triggers on email open (CVE-2026-42897) 2026-07-30 at 17:23 By Zeljka Zorz Russia-affiliated cyber espionage group Laundry Bear (aka Void Blizzard, aka TA488) is exploiting CVE-2026-42897, a cross-site scripting vulnerability in Microsoft Exchange, to target US and European government entities and a variety of private sector organizations via email. The […]

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Russian hackers exploit unpatched Zimbra servers to steal emails

CISA, CVE, cyber espionage, Government, News, phishing, Russian Federation /

Russian hackers exploit unpatched Zimbra servers to steal emails 2026-07-24 at 15:09 By Sinisa Markovic Russian state-backed hacker group Laundry Bear has been breaking into government and commercial networks for at least a year by exploiting a vulnerability in the Zimbra Collaboration Suite (ZCS) webmail platform. Laundry Bear (also known as Void Blizzard, CL-STA-1114, and

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HOLLOWGRAPH malware turns Microsoft 365 calendars into an espionage channel

cyber espionage, Group-IB, Iran, Malware, Microsoft 365, News /

HOLLOWGRAPH malware turns Microsoft 365 calendars into an espionage channel 2026-07-20 at 20:20 By Sinisa Markovic Microsoft 365 calendars have become a hiding place for espionage malware, with commands and stolen files stashed inside appointments dated to the year 2050, researchers from Group-IB discovered. Targeted campaign tied to Iranian espionage activity The malware, which Group-IB

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EU and UK blacklist Russia’s cyber operators over efforts to destabilize Europe

cyber espionage, EU, News, Russian Federation, UK /

EU and UK blacklist Russia’s cyber operators over efforts to destabilize Europe 2026-07-13 at 17:52 By Sinisa Markovic The EU and the UK jointly sanctioned dozens of Russian individuals and entities, accusing Moscow of coordinating a malicious cyber ecosystem targeting Europe, its member states, and international partners. The UK sanctioned 24 individuals and entities, while

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Chinese hackers breached North American research institutions via REDCap servers

China, cyber espionage, Google, Government, Malware, News, USA /

Chinese hackers breached North American research institutions via REDCap servers 2026-06-15 at 21:41 By Sinisa Markovic A China-linked cyber espionage operation targeted North American medical research institutions through compromised REDCap servers, using custom malware to gain persistent access and collect sensitive information, Google’s Threat Intelligence Group (GTIG) researchers found. UNC6508 exploits vulnerable REDCap servers GTIG

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FBI seizes 13 websites linked to alleged Chinese intelligence-gathering effort

China, cyber espionage, FBI, Government, News, US DoJ, USA /

FBI seizes 13 websites linked to alleged Chinese intelligence-gathering effort 2026-06-11 at 17:12 By Sinisa Markovic Federal authorities have seized 13 internet domains allegedly used to target current and former U.S. government employees and military personnel with access to classified and sensitive information. The post FBI seizes 13 websites linked to alleged Chinese intelligence-gathering effort

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Alleged Chinese hacker extradited to US over cyberattacks targeting COVID-19 research

China, cyber espionage, FBI, law enforcement, News, USA /

Alleged Chinese hacker extradited to US over cyberattacks targeting COVID-19 research 2026-04-28 at 22:35 By Sinisa Markovic Chinese national Xu Zewei was extradited from Italy to the United States to face charges tied to an alleged cyber espionage campaign that breached thousands of computers worldwide. Xu is charged alongside Zhang Yu, who remains at large.

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Compromised everyday devices power Chinese cyber espionage operations

China, cyber espionage, cybersecurity, Government, NCSC, News, UK /

Compromised everyday devices power Chinese cyber espionage operations 2026-04-24 at 13:17 By Sinisa Markovic China-linked threat actors have shifted from individually procured infrastructure to large-scale covert networks, botnets built from compromised routers and other edge devices, the National Cyber Security Centre (NCSC) warns. To help organizations address this threat, the NCSC, together with the Cyber

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Russian hackers hijack internet traffic using vulnerable routers

cyber espionage, EU, News, router, Russian Federation, UK /

Russian hackers hijack internet traffic using vulnerable routers 2026-04-07 at 19:18 By Sinisa Markovic The Russian state cyber group APT28 has been compromising routers to hijack web traffic and spy on victims, the UK’s The National Cyber Security Centre (NCSC) has warned. Attackers are exploiting vulnerable routers to alter DHCP and DNS settings, redirecting traffic

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TrueConf zero-day vulnerability exploited to target government networks

Check Point, cyber espionage, Don't miss, Government, Malware, News, video conferencing /

TrueConf zero-day vulnerability exploited to target government networks 2026-04-02 at 12:02 By Sinisa Markovic Suspected China-nexus attackers have leveraged a zero-day vulnerability (CVE-2026-3502) in the TrueConf client application to distribute malware within government networks in Southeast Asia, Check Point researchers discovered. Malicious client update attack chain (Source: Check Point) Trusted update mechanism turned into attack

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Mission to smuggle $170 million worth of AI tech to China collapsed for three men

cyber espionage, cybercrime, FBI, law enforcement, News, USA /

Mission to smuggle $170 million worth of AI tech to China collapsed for three men 2026-03-26 at 15:52 By Sinisa Markovic Three individuals, Stanley Yi Zheng, Matthew Kelly, and Tommy Shad English, have been charged with conspiracy to commit smuggling and export control violations after allegedly attempting to procure millions of dollars’ worth of restricted

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Russian hackers go after high-value targets through Signal

CISA, cyber espionage, FBI, Government, News, phishing, Russian Federation, Signal /

Russian hackers go after high-value targets through Signal 2026-03-23 at 11:20 By Sinisa Markovic Russian intelligence-linked hackers are targeting commercial messaging platforms, with Signal a primary focus, the FBI and CISA warn. The campaign is aimed at individuals of intelligence interest, including government personnel, journalists, and others with access to sensitive communications. It is believed

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DarkSword: Researchers uncover another iOS exploit kit

cyber espionage, cybercrime, data theft, Don't miss, exploit kit, Google, Hot stuff, iOS, iPhone, iVerify, Lookout, News /

DarkSword: Researchers uncover another iOS exploit kit 2026-03-19 at 16:54 By Zeljka Zorz A powerful iPhone hacking toolkit dubbed “DarkSword” has been used since November 2025 to compromise devices by exploiting zero-day iOS vulnerabilities, Google researchers have shared. iOS vulnerabilities exploited by DarkSword Two weeks ago, Google Threat Intelligence Group (GTIG) and iVerify disclosed the

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Elite members of North Korean society fake their way into Western paychecks

cyber espionage, cybercrime, Flare, IBM X-Force, News, North Korea, remote working /

Elite members of North Korean society fake their way into Western paychecks 2026-03-19 at 09:02 By Sinisa Markovic Increased federal activity, including indictments over the past year, has drawn attention to a pattern that has been unfolding inside corporate hiring pipelines. North Korean nationals are securing roles as remote IT contractors and full-time staff within

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Iran-linked APT targets US critical sectors with new backdoors

APT, backdoor, Carbon Black, Ctrl-Alt-Intel, cyber espionage, Don't miss, Hot stuff, Iran, Israel, News, Symantec, USA /

Iran-linked APT targets US critical sectors with new backdoors 2026-03-06 at 15:56 By Zeljka Zorz An Iran-linked hacking group has been active inside the networks of several US organizations since early February, raising concerns that the activity could precede broader cyber operations connected to escalating geopolitical tensions in the Middle East. New backdoors used by

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Coruna: Spy-grade iOS exploit kit powering financial crime

CVE, cyber espionage, cybercrime, Don't miss, exploit kit, Google, Hot stuff, iOS, Mandiant, News, surveillance, vulnerability /

Coruna: Spy-grade iOS exploit kit powering financial crime 2026-03-03 at 21:02 By Zeljka Zorz A powerful iOS exploit kit has circulated among multiple threat actors over the past year, moving from a commercial surveillance operation to state-linked espionage campaigns and, ultimately, ended into the hands of financially motivated hackers, according to new research from Google’s

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Ex-L3Harris executive sentenced to 87 months for selling stolen cyber-exploit trade secrets

cyber espionage, Government, News, Russian Federation, US DoJ, USA /

Ex-L3Harris executive sentenced to 87 months for selling stolen cyber-exploit trade secrets 2026-02-25 at 12:15 By Sinisa Markovic Peter Williams, a former executive of Trenchant, L3Harris’ cyber division, has been sentenced to 87 months in prison by a federal judge in Washington, D.C., after pleading guilty to stealing and selling sensitive cyber-exploit trade secrets to

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State-backed phishing attacks targeting military officials and journalists on Signal

cyber espionage, Don't miss, Europe, Germany, government-backed attacks, Hot stuff, News, phishing, Signal /

State-backed phishing attacks targeting military officials and journalists on Signal 2026-02-06 at 16:53 By Zeljka Zorz German security authorities are warning that a likely state-backed hacking group is engaged in attempts at phishing senior political figures, military officials, diplomats, and investigative journalists across Germany and Europe via Signal. The authorities also noted that while these

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Russian hackers are exploiting recently patched Microsoft Office vulnerability (CVE-2026-21509)

APT, CERT-UA, cyber espionage, Don't miss, government-backed attacks, Hot stuff, Microsoft, MS Office, News, vulnerability, Zscaler /

Russian hackers are exploiting recently patched Microsoft Office vulnerability (CVE-2026-21509) 2026-02-03 at 17:21 By Zeljka Zorz Russian state-sponsored hackers Fancy Bear (aka APT 28) are exploiting CVE-2026-21509, a Microsoft Office vulnerability for which Microsoft released an emergency fix last week. The exploitation CVE-2026-21509 allows unauthorized attackers to bypass a security feature (OLE mitigations in Microsoft

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Notepad++ supply chain attack: Researchers reveal details, IoCs, targets

APT, Asia, China, cyber espionage, Don't miss, government-backed attacks, Hot stuff, Kaspersky, News, Rapid7 /

Notepad++ supply chain attack: Researchers reveal details, IoCs, targets 2026-02-03 at 15:34 By Zeljka Zorz Rapid7 researchers have attributed the recent hijacking of the Notepad++ update mechanism to Lotus Blossom (aka Billbug), a Chinese state-sponsored group known for targeting organizations in Southeast Asia for espionage purposes. On Wednesday, Kaspersky researchers shared the insights they’ve gleaned

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