Peter Schrijver
@psguu.bsky.social
PhD student Faculty Military Sciences Breda | Leiden University | interests: influence, intelligence, drones | BA History Utrecht, MA Military Strategic Studies Breda
Latest article: https://www.tandfonline.com/doi/full/10.1080/08850607.2025.2522222
Latest article: https://www.tandfonline.com/doi/full/10.1080/08850607.2025.2522222
Pinned
Peter Schrijver
@psguu.bsky.social
· Jul 15
Updated, to introduce myself a few links to articles written or co-written by me:
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/i-w...
platformraam.nl/artikelen/27...
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/ind...
mwi.westpoint.edu/ukraines-fig...
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/i-w...
platformraam.nl/artikelen/27...
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/ind...
mwi.westpoint.edu/ukraines-fig...
Reposted by Peter Schrijver
I wrote on Russia's cyber-attack against Poland's energy system in December, why it suggests a more aggressive Russian approach to disrupting critical infrastructure in Europe, and why the involvement of the FSB, Russia's security service, is bad news. www.economist.com/europe/2026/...
Russia’s sabotage campaign is becoming bolder
Hacks against Polish energy plants suggest the FSB is involved
www.economist.com
February 9, 2026 at 7:47 PM
I wrote on Russia's cyber-attack against Poland's energy system in December, why it suggests a more aggressive Russian approach to disrupting critical infrastructure in Europe, and why the involvement of the FSB, Russia's security service, is bad news. www.economist.com/europe/2026/...
Article on 🇺🇦 middle strike drones:
"These are drones that operate at a distance of 50-200+ km, carry a significantly heavier warhead, have better navigation, and resistance to electronic warfare compared to FPV drones, but cheaper than short-range cruise missiles."
dou.ua/lenta/articl...
"These are drones that operate at a distance of 50-200+ km, carry a significantly heavier warhead, have better navigation, and resistance to electronic warfare compared to FPV drones, but cheaper than short-range cruise missiles."
dou.ua/lenta/articl...
February 9, 2026 at 7:40 PM
Article on 🇺🇦 middle strike drones:
"These are drones that operate at a distance of 50-200+ km, carry a significantly heavier warhead, have better navigation, and resistance to electronic warfare compared to FPV drones, but cheaper than short-range cruise missiles."
dou.ua/lenta/articl...
"These are drones that operate at a distance of 50-200+ km, carry a significantly heavier warhead, have better navigation, and resistance to electronic warfare compared to FPV drones, but cheaper than short-range cruise missiles."
dou.ua/lenta/articl...
1/ Article explaining what Starlink means for Russian operations, how this is currently blocked, and what Ukrainian units must do to maintain connectivity.
dou.ua/lenta/articl...
dou.ua/lenta/articl...
Реєстрація Starlink в Україні: як, навіщо і чи допоможе це в боротьбі з російськими дронами (UPD)
Україна впроваджує верифікацію пристроїв Starlink через ЦНАПи, «Дію» та DELTA. Як верифікувати свій термінал, чи дієве це рішення, на думку звʼязківців, і що далі можна очікувати від ворога — у розбор...
dou.ua
February 9, 2026 at 7:24 PM
1/ Article explaining what Starlink means for Russian operations, how this is currently blocked, and what Ukrainian units must do to maintain connectivity.
dou.ua/lenta/articl...
dou.ua/lenta/articl...
🇺🇦 Defense Intelligence (HUR) is issuing a warning regarding a planned Russian influence campaign timed to coincide with the Munich Security Conference in Germany (scheduled for February 13–15, 2026). 1/2
t.me/DIUkraine/7823
t.me/DIUkraine/7823
February 9, 2026 at 6:35 PM
🇺🇦 Defense Intelligence (HUR) is issuing a warning regarding a planned Russian influence campaign timed to coincide with the Munich Security Conference in Germany (scheduled for February 13–15, 2026). 1/2
t.me/DIUkraine/7823
t.me/DIUkraine/7823
Reposted by Peter Schrijver
This must be how the vetting of Lord Mandelson was conducted, prior to appointing him Ambassador to the US ⬇️
m.youtube.com/watch?v=VtPG...
m.youtube.com/watch?v=VtPG...
Is Sir Humphrey a Soviet Spy? | Yes, Prime Minister | BBC Comedy Greats
YouTube video by BBC Comedy Greats
m.youtube.com
February 8, 2026 at 10:44 AM
This must be how the vetting of Lord Mandelson was conducted, prior to appointing him Ambassador to the US ⬇️
m.youtube.com/watch?v=VtPG...
m.youtube.com/watch?v=VtPG...
‘Each [Telegram] post catalogues targets with almost mechanical meticulousness: vehicle types, drone variants, strike angles, and effects. Many of these hits rely on Rubikon’s hallmark fiber-optic drones, specifically designed to withstand electronic warfare’.
new-defense.com/what-we-get-...
new-defense.com/what-we-get-...
February 8, 2026 at 9:50 AM
‘Each [Telegram] post catalogues targets with almost mechanical meticulousness: vehicle types, drone variants, strike angles, and effects. Many of these hits rely on Rubikon’s hallmark fiber-optic drones, specifically designed to withstand electronic warfare’.
new-defense.com/what-we-get-...
new-defense.com/what-we-get-...
‘Russia’s pro-war bloggers are increasingly falling under the state steamroller of repression, finding themselves labeled “foreign agents” or charged under extremism laws’.
carnegieendowment.org/russia-euras...
carnegieendowment.org/russia-euras...
Why Is the Kremlin Punishing Pro-War Russian Bloggers?
A series of reprisals against pro-war Russian bloggers appears to be in keeping with the logic of neutralizing threats before they become too serious. But a closer look reveals that each case had its ...
carnegieendowment.org
February 8, 2026 at 9:44 AM
‘Russia’s pro-war bloggers are increasingly falling under the state steamroller of repression, finding themselves labeled “foreign agents” or charged under extremism laws’.
carnegieendowment.org/russia-euras...
carnegieendowment.org/russia-euras...
US ‘intelligence’.
NSA Director & Deputy fired 2 weeks before the whistleblower approached the ICIG. Coincidence? At minimum, how did lack of NSA top leadership in ensuing months impact the situation?
www.theguardian.com/us-news/2026...
www.theguardian.com/us-news/2026...
NSA detected phone call between foreign intelligence and a person close to Trump
Whistleblower says that Tulsi Gabbard blocked agency from sharing report and delivered it to White House chief of staff
www.theguardian.com
February 7, 2026 at 9:58 PM
US ‘intelligence’.
Reposted by Peter Schrijver
Russian government officials in the Duma and diplomatic corps angrily deny Italian accusations of hacker attacks on the Olympics. The attackers Noname057 very proudly took credit for the attack. Typical of the denial of obvious reality with which Russia responds to hacking allegations.
February 6, 2026 at 3:25 PM
Russian government officials in the Duma and diplomatic corps angrily deny Italian accusations of hacker attacks on the Olympics. The attackers Noname057 very proudly took credit for the attack. Typical of the denial of obvious reality with which Russia responds to hacking allegations.
Reposted by Peter Schrijver
February 7, 2026 at 1:26 PM
Interessant rapport van @hcss.bsky.social
Over 🇺🇦 omgang met de oorlog, niet alleen de krijgsmacht, maar ook veel ‘citizen-soldier-activists’. Niet per se ingekapseld in de strijdkrachten, maar juist daarom snel in staat vernieuwende stappen te maken op drone- en EOV-gebied.
hcss.nl/wp-content/u...
Over 🇺🇦 omgang met de oorlog, niet alleen de krijgsmacht, maar ook veel ‘citizen-soldier-activists’. Niet per se ingekapseld in de strijdkrachten, maar juist daarom snel in staat vernieuwende stappen te maken op drone- en EOV-gebied.
hcss.nl/wp-content/u...
February 7, 2026 at 11:24 AM
Interessant rapport van @hcss.bsky.social
Over 🇺🇦 omgang met de oorlog, niet alleen de krijgsmacht, maar ook veel ‘citizen-soldier-activists’. Niet per se ingekapseld in de strijdkrachten, maar juist daarom snel in staat vernieuwende stappen te maken op drone- en EOV-gebied.
hcss.nl/wp-content/u...
Over 🇺🇦 omgang met de oorlog, niet alleen de krijgsmacht, maar ook veel ‘citizen-soldier-activists’. Niet per se ingekapseld in de strijdkrachten, maar juist daarom snel in staat vernieuwende stappen te maken op drone- en EOV-gebied.
hcss.nl/wp-content/u...
Focus grootschalige inzet van drones ligt op Russisch-Oekraïense oorlog, maar inmiddels is toepassing al veel breder. Voor surveillance en strikes. Zie o.a. deze berichtgeving in context van oorlog in Soedan:
www.nytimes.com/2026/02/01/w...
www.reuters.com/business/aer...
www.nytimes.com/2026/02/01/w...
www.reuters.com/business/aer...
February 7, 2026 at 9:48 AM
Focus grootschalige inzet van drones ligt op Russisch-Oekraïense oorlog, maar inmiddels is toepassing al veel breder. Voor surveillance en strikes. Zie o.a. deze berichtgeving in context van oorlog in Soedan:
www.nytimes.com/2026/02/01/w...
www.reuters.com/business/aer...
www.nytimes.com/2026/02/01/w...
www.reuters.com/business/aer...
‘Telegram wird intensiver von jüngeren, höher gebildeten und politisch engagierten Personen genutzt sowie von Menschen, die Nachrichtenupdates suchen, insbesondere zu lokalen Ereignissen. Die Kanäle der Plattform sind zu wichtigen Nachrichtenquellen geworden’.
laender-analysen.de/ukraine-anal...
laender-analysen.de/ukraine-anal...
Ukraine-Analysen | Länder-Analysen
Die Länder-Analysen bieten regelmäßig kompetente Einschätzungen aktueller politischer, wirtschaftlicher, sozialer und kultureller Entwicklungen in Ostmitteleuropa und der post-sowjetischen Region.
laender-analysen.de
February 7, 2026 at 8:50 AM
‘Telegram wird intensiver von jüngeren, höher gebildeten und politisch engagierten Personen genutzt sowie von Menschen, die Nachrichtenupdates suchen, insbesondere zu lokalen Ereignissen. Die Kanäle der Plattform sind zu wichtigen Nachrichtenquellen geworden’.
laender-analysen.de/ukraine-anal...
laender-analysen.de/ukraine-anal...
Bundeswehr in 🇱🇹
"A comrade phones home, speaks for half an hour, and then gets a call from an unknown number. He answers – and hears his own conversation from earlier, recorded and played back," Joshua Krebs described the experience in his book, Inside Bundeswehr.
www.euronews.com/2026/02/07/n...
"A comrade phones home, speaks for half an hour, and then gets a call from an unknown number. He answers – and hears his own conversation from earlier, recorded and played back," Joshua Krebs described the experience in his book, Inside Bundeswehr.
www.euronews.com/2026/02/07/n...
No front line: Russia's hybrid pressure on German army in Lithuania
The German army brigade in Lithuania is not under fire, but it is under hybrid attack. Soldiers report mysterious phone calls, and drones appear to be spying on manoeuvres. How should the Bundeswehr a...
www.euronews.com
February 7, 2026 at 8:43 AM
Bundeswehr in 🇱🇹
"A comrade phones home, speaks for half an hour, and then gets a call from an unknown number. He answers – and hears his own conversation from earlier, recorded and played back," Joshua Krebs described the experience in his book, Inside Bundeswehr.
www.euronews.com/2026/02/07/n...
"A comrade phones home, speaks for half an hour, and then gets a call from an unknown number. He answers – and hears his own conversation from earlier, recorded and played back," Joshua Krebs described the experience in his book, Inside Bundeswehr.
www.euronews.com/2026/02/07/n...
"Al het verkeer naar de luchthavens in Lublin en Rzeszów in het zuidoosten van Polen werd in de nacht van vrijdag op zaterdag gedurende enkele uren stilgelegd vanwege Russische aanvallen op Oekraïne”.
Rzeszów is het belangrijkste knooppunt voor de westerse steun aan 🇺🇦.
Rzeszów is het belangrijkste knooppunt voor de westerse steun aan 🇺🇦.
”All trafik till flygplatserna i Lublin och i Rzeszow i sydöstra Polen stoppades under ett antal timmar natten mot lördag på grund av ryska attacker mot Ukraina.”
Och fortsätter liknande attacker får de stänga flygplatserna var och varannan natt hädanefter?
Och fortsätter liknande attacker får de stänga flygplatserna var och varannan natt hädanefter?
Polska flygplatser stängdes efter attacker i Ukraina – Senaste nytt om kriget i Ukraina
Rysslands storskaliga invasion av Ukraina har pågått sedan den 24 februari 2022, då ryska trupper anföll Ukraina från flera håll. Ryssland ockuperar flera regioner i östra och södra Ukraina. Här hitta...
www.svt.se
February 7, 2026 at 8:29 AM
"Al het verkeer naar de luchthavens in Lublin en Rzeszów in het zuidoosten van Polen werd in de nacht van vrijdag op zaterdag gedurende enkele uren stilgelegd vanwege Russische aanvallen op Oekraïne”.
Rzeszów is het belangrijkste knooppunt voor de westerse steun aan 🇺🇦.
Rzeszów is het belangrijkste knooppunt voor de westerse steun aan 🇺🇦.
Reposted by Peter Schrijver
Yup. Witkoff and Kushner are using cheap Russian humiliation tactics. But let it be known that the whole "peace process" is as much of a useless joke as these two clowns.
What Europe's talking about this morning: at the UAE "summit," the Ukrainians were represented by professional diplomats attired in suits, where as the Trump White House was represented by mob-connected real estate executives dressed like they got lost on the way to the gym.
February 7, 2026 at 5:37 AM
Yup. Witkoff and Kushner are using cheap Russian humiliation tactics. But let it be known that the whole "peace process" is as much of a useless joke as these two clowns.
🛰️💻 𝗖𝘆𝗯𝗲𝗿 𝗮𝗻𝗱 𝗶𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻: 𝗻𝗼𝘁 𝗮 “𝗱𝗼𝗺𝗮𝗶𝗻”, 𝗯𝘂𝘁 𝗮 𝗰𝗮𝗺𝗽𝗮𝗶𝗴𝗻
‘The report highlights a recurring Russian pattern: cyber is treated inside a broader ‘information confrontation’ logic, integrated, not separated’. www.foi.se/rapporter/ra...
‘The report highlights a recurring Russian pattern: cyber is treated inside a broader ‘information confrontation’ logic, integrated, not separated’. www.foi.se/rapporter/ra...
February 6, 2026 at 6:31 PM
🛰️💻 𝗖𝘆𝗯𝗲𝗿 𝗮𝗻𝗱 𝗶𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻: 𝗻𝗼𝘁 𝗮 “𝗱𝗼𝗺𝗮𝗶𝗻”, 𝗯𝘂𝘁 𝗮 𝗰𝗮𝗺𝗽𝗮𝗶𝗴𝗻
‘The report highlights a recurring Russian pattern: cyber is treated inside a broader ‘information confrontation’ logic, integrated, not separated’. www.foi.se/rapporter/ra...
‘The report highlights a recurring Russian pattern: cyber is treated inside a broader ‘information confrontation’ logic, integrated, not separated’. www.foi.se/rapporter/ra...
Nog even voor de goede orde: GRU-generaal Alexeyev is beschoten en gewond afgevoerd naar een ziekenhuis. Vooralsnog nog geen bevestiging van overlijden. UA diensten stil over deze aanval. Aanval in december 2024 op RF generaal Kirillov in Moskou wel opgeëist door de SBU.
theins.press/en/news/289161
theins.press/en/news/289161
Top GRU general Vladimir Alexeyev shot several times in Moscow attack
An unidentified assailant fired several shots at Lt. Gen. Vladimir Alexeyev, the first deputy head of Russia’s GRU military intelligence agency, Russian news agencies reported (1, 2, 3) earlier today,...
theins.press
February 6, 2026 at 12:41 PM
Nog even voor de goede orde: GRU-generaal Alexeyev is beschoten en gewond afgevoerd naar een ziekenhuis. Vooralsnog nog geen bevestiging van overlijden. UA diensten stil over deze aanval. Aanval in december 2024 op RF generaal Kirillov in Moskou wel opgeëist door de SBU.
theins.press/en/news/289161
theins.press/en/news/289161
1/ Shahed-drones met mesh modems: deze langeafstandsdrones zijn niet voorgeprogrammeerd op een coördinaat, maar kunnen tijdens de vlucht bijgestuurd worden naar een gelegenheidsdoel. Dit artikel legt het vrij simpel uit. www.arsenal.eu/p/ukr-russia...
UKR: Russia using mesh networks to enhance Shaheds
Russia has devised a way to make Shahed drones exponentially more destructive, with operators able to remotely control them, evade air defense, and even use mounted weapons from more than 600 km away.
www.arsenal.eu
February 6, 2026 at 7:19 AM
1/ Shahed-drones met mesh modems: deze langeafstandsdrones zijn niet voorgeprogrammeerd op een coördinaat, maar kunnen tijdens de vlucht bijgestuurd worden naar een gelegenheidsdoel. Dit artikel legt het vrij simpel uit. www.arsenal.eu/p/ukr-russia...
‘Next, we used drones to establish fire control, and — without even deploying troops — we mined the border between Lithuania and Poland. Only then did we send in troops, along with organizations such as the Red Cross and a host of civilians,’ Gabuev explained.
meduza.io/en/feature/2...
meduza.io/en/feature/2...
He played Putin and broke NATO in three days. Alexander Gabuev, the scholar behind an alarming wargame, tells Meduza how he did it. — Meduza
Last December, the newspaper Die Welt partnered with military researchers at Helmut Schmidt University to simulate a Russian invasion of NATO. The exercise involved 16 participants, including security...
meduza.io
February 5, 2026 at 7:46 PM
‘Next, we used drones to establish fire control, and — without even deploying troops — we mined the border between Lithuania and Poland. Only then did we send in troops, along with organizations such as the Red Cross and a host of civilians,’ Gabuev explained.
meduza.io/en/feature/2...
meduza.io/en/feature/2...
Voor het eerst sinds bijna 5 mndn een uitwisseling.
🇺🇦 kreeg 150 krijgsgevangenen en 7 burgers terug. De meeste vrijgelaten 🇺🇦 militairen zaten al vast sinds voorjaar ‘22 na de Russische inname van het Azovstal-complex in Mariupol, meldt de SBU.
Impressie van de vrijlating. x.com/servicessu/s...
🇺🇦 kreeg 150 krijgsgevangenen en 7 burgers terug. De meeste vrijgelaten 🇺🇦 militairen zaten al vast sinds voorjaar ‘22 na de Russische inname van het Azovstal-complex in Mariupol, meldt de SBU.
Impressie van de vrijlating. x.com/servicessu/s...
February 5, 2026 at 7:40 PM
Voor het eerst sinds bijna 5 mndn een uitwisseling.
🇺🇦 kreeg 150 krijgsgevangenen en 7 burgers terug. De meeste vrijgelaten 🇺🇦 militairen zaten al vast sinds voorjaar ‘22 na de Russische inname van het Azovstal-complex in Mariupol, meldt de SBU.
Impressie van de vrijlating. x.com/servicessu/s...
🇺🇦 kreeg 150 krijgsgevangenen en 7 burgers terug. De meeste vrijgelaten 🇺🇦 militairen zaten al vast sinds voorjaar ‘22 na de Russische inname van het Azovstal-complex in Mariupol, meldt de SBU.
Impressie van de vrijlating. x.com/servicessu/s...
Gewoon even kijken: over de gorilla Toni in Kyiv.
Ein kleiner Ofen hält Gorilla Toni warm. Wenn die Temperatur in seinem Gehege auf unter 20 Grad fallen sollte, würde er sterben. Egal, wie heftig Russland die ukrainische Hauptstadt Kyjiw angreift: Pflegerin Valentyna kommt zur Arbeit, um das zu verhindern. Unsere Reportage aus dem Zoo.
February 5, 2026 at 7:25 AM
Gewoon even kijken: over de gorilla Toni in Kyiv.
Greep uit de jaarcijfers 2025 van de 🇺🇦 drone-eenheid 412 Nemesis. Ze staan op de 5e plek vwb getroffen doelen (geverifieerd met beeldmateriaal).
Soms vraag ik me af of we hier de schaal van de Russisch-Oekraïense oorlog wel voldoende in beeld hebben. www.instagram.com/p/DT5ASCZjJY...
Soms vraag ik me af of we hier de schaal van de Russisch-Oekraïense oorlog wel voldoende in beeld hebben. www.instagram.com/p/DT5ASCZjJY...
February 4, 2026 at 7:37 PM
Greep uit de jaarcijfers 2025 van de 🇺🇦 drone-eenheid 412 Nemesis. Ze staan op de 5e plek vwb getroffen doelen (geverifieerd met beeldmateriaal).
Soms vraag ik me af of we hier de schaal van de Russisch-Oekraïense oorlog wel voldoende in beeld hebben. www.instagram.com/p/DT5ASCZjJY...
Soms vraag ik me af of we hier de schaal van de Russisch-Oekraïense oorlog wel voldoende in beeld hebben. www.instagram.com/p/DT5ASCZjJY...
Ondertussen in Europa:
‘North Korean personnel are located in Russia’s Kursk region, from where they carry out attacks on Ukrainian border communities’, 🇺🇦 military intelligence directorate, HUR, reports. t.me/DIUkraine/7786
‘North Korean personnel are located in Russia’s Kursk region, from where they carry out attacks on Ukrainian border communities’, 🇺🇦 military intelligence directorate, HUR, reports. t.me/DIUkraine/7786
Головне управління розвідки МО України
❗️Удари артилерії та застосування дронів — як росія використовує контингент армії КНДР у війні проти України?
ГУР МО України інформує — контингент армії КНДР продовжує брати участь у злочинній війні ...
t.me
February 4, 2026 at 6:03 PM
Ondertussen in Europa:
‘North Korean personnel are located in Russia’s Kursk region, from where they carry out attacks on Ukrainian border communities’, 🇺🇦 military intelligence directorate, HUR, reports. t.me/DIUkraine/7786
‘North Korean personnel are located in Russia’s Kursk region, from where they carry out attacks on Ukrainian border communities’, 🇺🇦 military intelligence directorate, HUR, reports. t.me/DIUkraine/7786
‘Some former Western drone pilots come out here to tell me that they’re the best drone pilots in the world because they’ve got 400 hours of drone flying on some training ground. Some of my 22-year-old Ukrainian test pilots have 400 or 500 kills under their belt’.⤵️
Fascinating interview with a drone manufacturer in Ukraine: On Western hubris and the defence industry.
Some of their arming devices were two coat hangers pointing out the front of the drone. Reminds me of the ingenuity of the Viet Cong during the Vietnam War. www.euractiv.com/interview/in...
Some of their arming devices were two coat hangers pointing out the front of the drone. Reminds me of the ingenuity of the Viet Cong during the Vietnam War. www.euractiv.com/interview/in...
INTERVIEW: Ukrainian drone manufacturer on Western hubris and the defence industry | Euractiv
Some of their arming devices were two coat hangers pointing out the front of the drone
www.euractiv.com
February 4, 2026 at 12:59 PM
‘Some former Western drone pilots come out here to tell me that they’re the best drone pilots in the world because they’ve got 400 hours of drone flying on some training ground. Some of my 22-year-old Ukrainian test pilots have 400 or 500 kills under their belt’.⤵️